Placeholder Image

Subtitles section Play video

  • NARRATOR: The mysteries of ancient Egypt, and its hidden secrets.

  • MATTHEW: These tombs represent the technology of resurrection.

  • STEVEN: They created monuments that make the mind boggle.

  • NARRATOR: Some of their greatest achievements,

  • lost beneath the sand and water of the Nile valley...

  • until now.

  • Imagine if we could empty oceans,

  • or drain the desert, and reveal the secrets beneath.

  • Now we can.

  • Using the latest imaging technology to pierce sea and sand

  • and turn accurate data into 3D images.

  • Can scientists solve the mystery of Alexandria's Lighthouse

  • and recreate one of the ancient wonders of the World?

  • Why did a Pharaoh build 15 mega-forts when none of them saw a major battle?

  • LAUREL: This is a forgotten age in Egyptian history

  • because we have lost access to these monuments.

  • NARRATOR: And what does a fleet of boats, buried six miles from the Nile,

  • reveal about Egypt's original 'Valley of the Kings'?

  • ♪ ♪

  • NARRATOR: Ancient Egypt...

  • One of the greatest civilizations on Earth.

  • It lasts for 3,000 years.

  • Its people develop a remarkable written language using pictures and symbols.

  • They worship strange gods.

  • And they build two of the seven wonders of the ancient world.

  • The first, the great pyramids of Giza.

  • -The ancients determined the seven wonders because they met certain criteria.

  • It is the ingenuity of the design, but it had to be built

  • on a super colossal, over the top scale.

  • NARRATOR: The Egyptians' second ancient wonder is the lighthouse of Alexandria.

  • Known as the Pharos, it is built on a grand scale like the other wonders:

  • The Hanging Gardens of Babylon and the Colossus of Rhodes.

  • Of the seven wonders, only the pyramids now survive.

  • But as the waters of the Nile Delta drain away, can the architectural marvel

  • of the Pharos be brought back to life from the seas around Alexandria Harbor?

  • And recreated accurately for the first time a sight that once dazzled the world.

  • -The Pharos ranked as one of the seven wonders of the ancient world because it was

  • something that had never been seen before.

  • Some people say um the beacon could be seen 30 miles out to sea.

  • NARRATOR: Alexandria's lighthouse is a technological and architectural masterpiece.

  • Built in the third century BC, it's the crowning glory of a new capital city,

  • founded by the conqueror of Ancient Egypt: Alexander the Great.

  • -Alexandria was the be-all and end-all.

  • Um you might think of the Champs Elysee in Paris or Times Square in New York.

  • Alexandria was all of those things and more.

  • Um it was the most beautiful city that the world had ever seen.

  • NARRATOR: Egypt's new rulers want the Pharos to send a big and simple message.

  • EMAD: They wanted to show how powerful is the city.

  • So you'd need a sign, a big huge banner that says welcome to Alexandria.

  • The Pharos was created mainly as a landmark.

  • NARRATOR: But once Egypt's power has faded,

  • Alexandria's famous lighthouse falls into disrepair.

  • The land beneath it slowly subsides into the sea, and in the 14th century

  • it finally collapses after it's struck by an earthquake.

  • The Pharos is thought to be lost here, beneath 23 feet of water,

  • at the entrance of Alexandria harbor.

  • Now a French team of archaeologists is trying

  • to rediscover its true magnificence.

  • Using the latest undersea imaging technology, they're scouring the seabed for clues.

  • Their aim is to digitally rebuild this lost Ancient Wonder of the World,

  • for the first time.

  • Leading the investigation is architect and archaeologist Isabelle Hairy.

  • She's been searching for the truth about Alexandria's lighthouse

  • for more than 20 years.

  • ISABELLE: It's always very rewarding to work on one of

  • the seven wonders of the ancient world.

  • I'd be lying if I said otherwise.

  • NARRATOR: Isabelle's team is working in one of the largest

  • underwater archaeological sites in the world.

  • They investigate some mysterious granite blocks.

  • These remarkable remains are clearly man-made.

  • Could they be from the missing ancient wonder?

  • Isabelle's task is to unlock the true dimensions and design of the Pharos.

  • But her job is made harder by the wildly conflicting accounts

  • of what it actually looked lik.

  • -We came across these quite extraordinary images of the lighthouse.

  • NARRATOR: Different impressions from past travelers and artists shroud

  • the true appearance of the lighthouse in mystery.

  • -It's depicted here as the Tower of Babylon.

  • Here a very classical building with floors one above the other,

  • with doors opening into mysterious rooms.

  • NARRATOR: Over time, ideas about the Pharos grew even more fantastic.

  • -One of the authors was speaking about the Pharos being so tall and so

  • extensively high, if a stone was thrown from the top of the lighthouse it would reach land

  • in 2 days or 3 days.

  • It's not true but it is saying something about how those people saw the lighthouse.

  • NARRATOR: Where does the truth lie?

  • Will the underwater granite blocks provide answers?

  • To find out, Isabelle's team uses a technique called photogrammetry capturing

  • thousands of detailed images across the enormous site.

  • -This is closer view here on the map.

  • This is block 1003.

  • -Do you think we can go further, we can go more on the North?

  • NARRATOR: After 28 weeks of diving and with 50,000 photographs,

  • Isabelle has the data she needs to finally unlock the secrets of the Pharos.

  • Combining this unique data with cutting edge computer graphics means

  • that for the first time, the waters around Alexandria harbor can be drained away.

  • As the Mediterranean begins to empty, surprising shapes come into view.

  • Nearly 3,000 granite blocks scattered across three acres of the seabed.

  • These are not natural rock formations, but clearly the work of human hands.

  • Statue bases, chunks of pillars.

  • All from a building of monumental proportions.

  • The drowned ruins of a genuine ancient wonder, The Pharos lighthouse.

  • Brought back into the light of day for the first time in 600 years.

  • Already Isabelle's work has delivered one revelation.

  • Some of the blocks from the drained landscape are

  • a crucial clue to the shape of the Pharos.

  • -Draining the site has enabled us to see the lighthouse.

  • We've even found blocks that might have formed the corner stones,

  • but no blocks found underwater indicated the walls sloped.

  • The walls were straight.

  • NARRATOR: This is the first physical proof of the lighthouse's design.

  • A huge advance on all previous knowledge.

  • But piecing together the rest of the underwater jigsaw remains an enormous challenge.

  • -What we have here is a puzzle,

  • basically it's a 3000 pieces puzzle

  • that you have to try to fit things together.

  • Will it fit or will it not fit?

  • NARRATOR: And what's more, some crucial parts of the puzzle are missing,

  • taken to museums by previous excavations.

  • But one important piece lies nearby, abandoned on the quayside.

  • -This was probably the greatest discovery, found on the site.

  • NARRATOR: But what is it?

  • -So, here we have a side part of a door frame.

  • We know because this is the place where the door would have been fixed.

  • NARRATOR: This groove is carefully carved as the frame for a gigantic door.

  • And incredibly, Isabelle can match the frame's distinctive

  • shape to other stones lying underwater.

  • They must all be pieces from the same doorway.

  • -By joining this huge fragment almost 12 meters long together with all the other fragments,

  • we can reconstruct a door.

  • It's one of the most important pieces of the site.

  • NARRATOR: Now, for the first time, it's possible

  • to recreate the door to the Pharos.

  • The entrance to a Wonder of the Ancient World.

  • -So now we are able to connect it with the lintels.

  • The upright, ah perfect.

  • That's great.

  • NARRATOR: The drained site reveals the lost fragments of the giant doorframe.

  • Using the scanned images of the seabed, its huge blocks come into view.

  • Computer graphic technology reverses the centuries.

  • The pieces of the doorframe fit together perfectly.

  • And within the granite frame a vast wooden door was once fastened.

  • All of it reaching 41 feet high and weighing more than 200 tons!

  • The Pharos entrance is restored in the place where it fell.

  • A monumental piece of architecture dwarfing anyone who enters.

  • For the first time, a part of Alexandria's lighthouse is accurately reconstructed.

  • But what does the rest of the Pharos look like?

  • And does it truly deserve its title as a wonder of the Ancient world?

  • NARRATOR: Archaeologist Isabelle Hairy continues to search for the truth about the

  • Pharos lighthouse.

  • Historical reports are conflicting.

  • But most agree on one thing, that the Pharos has three distinct levels,

  • each shaped differently.

  • Isabelle heads to the place where the lighthouse is thought to have stood.

  • Now the site of another grand building, Qaitbay Fort.

  • Built in 1477, just 42 years after the ruins of the Pharos are last reported visible.

  • Inside, an intriguing clue.

  • Isabelle believes that its mosque is a small-scale replica of the Pharos.

  • ISABELLE: You really get the impression of being in the ancient lighthouse even though

  • the scale isn't the same, but there's this sense of space, still present,

  • which we can feel all around us.

  • NARRATOR: The main tower is square.

  • Above, it's topped by an octagonal and then a circular section.

  • Isabelle's theory is that the Mosque's architects intended this to be a tribute to

  • Alexandria's most famous building.

  • So is the Pharos shaped like this?

  • To solve this mystery, Isabelle needs to compare her 3D data with historical

  • reports and discover the true scale of the Pharos.

  • Some dimensions were recorded by Medieval travelers.

  • In 1166, Al-Balawi from Spain penned a precise description of the lighthouse,

  • reporting it to be 300 cubits high.

  • Over a century later, Moroccan scholar Ibn Battuta recorded

  • the thickness of the Pharos walls as 10 spans.

  • The problem is these units are lost to history.

  • Until now.

  • The breakthrough comes from the Pharos' reconstructed door frame.

  • Its outside edge reveals the exact thickness of the lighthouse's exterior wall.

  • The dimension also recorded by Ibn Battuta, centuries earlier.

  • His 10 'spans' is equal to six feet ten inches.

  • -It's a discovery that's incredibly rewarding.

  • We are now able to decipher the texts of Ibn Battuta, and the texts of Al-Balawi.

  • NARRATOR: It's a huge leap forward.

  • Converting medieval units into accurate modern measurement

  • unlocks the true scale of the Pharos for the first time.

  • Combining all the underwater evidence with Al-Balawi's descriptions

  • solves a centuries old puzzle.

  • Revealing three towers that match the design of the mosque,

  • making it possible to reconstruct a lost ancient wonder in exact detail.

  • Statues from Alexandria's museums return to their original homes.

  • Believed to be clad in limestone, the Pharos reaches almost 330 feet into the sky.

  • The size of a 32 story building, it's one of

  • the tallest structures in the Ancient World.

  • And all of it is thought to be crowned by a wonder of ancient technology,

  • fires and iron mirrors reflecting the light and

  • the glory of Egypt to the world beyond.

  • -It could have looked like the first skyscrapers built

  • in Chicago at the end of the 19th century.

  • It's really a fabulous structure.

  • STEVEN: The ancients determined the seven wonders because they met certain criterias, and so

  • the Pharos satisfies all of those ancient criteria of innovative design,

  • that was actually built, that was actually towering.

  • NARRATOR: Most importantly the Pharos marks the gateway to

  • Ancient Egypt and the mighty river Nile.

  • More than 4,000 miles long, the Nile is the longest river in the world.

  • JON: The Nile was absolutely central to Ancient Egypt.

  • It was the seasonal flood that brought this rich, black mineral mud and deposited it

  • on the fields and made it fertile.

  • It was actually that that drove Ancient Egyptian civilization.

  • Without the Nile it wouldn't have happened.

  • NARRATOR: Six and a half thousand years ago farmers make these riverbanks their

  • home, and a civilization is born.

  • Six miles west of the Nile, draining, not water, but sand,

  • reveals an ancient mystery known as the Abydos boats.

  • -It was completely unexpected to find a phantom flotilla in the middle of nowhere.

  • NARRATOR: Why is there a fleet of boats beneath the sands of the Egyptian desert?

  • Egyptologist Matthew Adams has excavated Abydos' mysterious boats for 30 years.

  • MATTHEW: One would never know by looking at this flat patch of desert that underneath the

  • sand is one of the most remarkable discoveries ever made in Egyptian archaeology.

  • NARRATOR: The boats he excavated have been reburied in the sand to help

  • preserve them for the future.

  • Before then, they'd been lying undisturbed for 5000 years.

  • -Was this the result of some great flood of the river that

  • they sailed here and were left stranded?

  • It's a very strange setting for a group of boats like this.

  • -You would think perhaps it was a dried up quay or it was

  • perhaps an area where the Nile once ran.

  • NARRATOR: Throughout its history the Nile has shifted course.

  • But it never ran here.

  • Abydos lies on a desert plateau out of the river's reach.

  • So if the Nile didn't bring these boats here, what did?

  • To find out, Matthew's team surveys the location of the

  • boats and the surrounding terrain.

  • Accurate satellite mapping can reveal the extraordinary world beneath.

  • Combining this data with the latest computer imaging allows the Egyptian desert to be

  • drained of sand, grain by grain

  • to solve an ancient mystery.

  • The desert begins to reveal its secrets.

  • Not one boat, Not two, but 14.

  • The surviving fragments of timber reveal they are 60 feet long.

  • All carefully lined up in parallel.

  • It's the oldest buried fleet ever discovered.

  • But who does it belong to?

  • Reconstructing the boats immediately reveals a clue.

  • These are not simple dugout canoes nor are they boats made from reeds.

  • They're substantial rowing vessels, with space for up to 30 oarsmen.

  • More revealing still is the way they're made from carefully crafted wooden

  • planks all stitched together with rope.

  • -These are they earliest plank boats that we have in this area,

  • as status symbols they're important.

  • NARRATOR: 5,000 years ago, this is cutting edge nautical technology.

  • -It's almost like taking a sports car today and burying it in the desert somewhere.

  • NARRATOR: And in Ancient Egypt only one person can afford such an immense investment.

  • -Only the king could expend resources at this level and was in a position to

  • dispose of a fleet a royal fleet in this way.

  • NARRATOR: The 14 boats belong to a Pharaoh.

  • But what are they doing abandoned in the desert?

  • ♪ ♪

  • NARRATOR: To unravel the mystery of the Abydos Boats Egyptologist Matthew Adams

  • hunts for clues above the sand.

  • Next to the buried fleet stands a huge mud brick ruin.

  • Here Matthew finds evidence of an ancient belief system that

  • could help explain this desert secret.

  • MATTHEW: These massive walls created a kind of religious space,

  • where one of Egypt's first kings was worshipped.

  • NARRATOR: Excavations here uncover ancient pots that once contained food and beer.

  • -Ceremonies took place in here, focused on this king as a kind of divine figure.

  • Somehow these boats are part of this religious expression

  • and they're connected to the activities of these early kings.

  • NARRATOR: This enclosure is built for the Ancient Egyptians to worship their

  • pharaoh as a god, as long ago as 2700 BC,

  • 200 years before the great pyramids.

  • And more than a thousand before Tutankhamun.

  • But what is the connection between this early worship

  • of a Pharaoh and the mystery fleet?

  • A closer examination of the drained boats reveals the answer.

  • Surrounding each one is a curious mud-brick casing.

  • The brick walls follow the curve of the boats,

  • completely covering them from stern to bow.

  • Returning them to their original state reveals more.

  • Built on the desert surface each brick 'case' completely encloses a single boat.

  • And all are covered in a layer of white plaster.

  • Creating 14 boat graves.

  • -When the boats were newly put in place, you wouldn't have seen the boats themselves,

  • the wooden boat hulls, you would've seen these brick grave structures.

  • NARRATOR: The boat tombs are designed to be highly visible.

  • JON: This plaster would have caught the light of the sun when they were first built.

  • -Seen from a distance they would have been glowing in the desert.

  • NARRATOR: And all to honor a Pharaoh.

  • -Like the offerings that were delivered for his benefit inside the monument,

  • bread and beer and wine, the boats must represent a kind of offering to him.

  • NARRATOR: What beliefs inspire the Ancient Egyptians to create all of this,

  • and to place it so far away from the Nile, where they actually live?

  • Just a mile away, there's another clue.

  • This strange subterranean architecture is built around the same time the boats are

  • left in the desert.

  • It's the last resting place of one of Egypt's earliest Pharaohs.

  • -This is the spot where the king ended his life in this world and made the transition

  • from here to the other world, where he would have his eternal life.

  • NARRATOR: The tomb is designed to ensure the dead Pharaoh passes into another

  • realm known as the afterlife provided with all the essential possessions he

  • needs: food, drink, even his servants,

  • ritually killed to serve their master beyond the grave.

  • -These are the chambers in which the courtiers and retainers who were sacrificed

  • to accompany the king into the next world were buried.

  • And the, whole assemblage, the king in his burial chamber, his funerary enclosure and the

  • boats that were buried next to it, the whole assemblage is being translated from this

  • world to the next to be available to him there.

  • NARRATOR: Just like the dead courtiers, the Royal fleet is

  • there to serve the Pharaoh in the afterlife.

  • So he can navigate the celestial Nile for all eternity.

  • The Abydos boats mark the beginning of a belief in the afterlife that eventually

  • creates the pyramids and the Valley of the Kings.

  • And more signs of that connection still lie hidden beneath the sand.

  • So Matthew's team carries out what's called a 'magnetometry' survey.

  • It detects variations in the soil's magnetic field to reveal structures underground,

  • not seen for thousands of years.

  • ALEX: We walk over it every day, but what we don't see is all of this.

  • NARRATOR: The data reveal the origin of Egypt's obsession with the afterlife.

  • -All of these darks lines that we can see here,

  • these are all walls from buried structures.

  • Big ones, small ones.

  • We can identify these as tombs, which makes this

  • a gigantic vast desert cemetery.

  • NARRATOR: It's an astonishing discovery.

  • Draining the sand from the rest of the plateau exposes

  • Ancient Egypt's oldest Royal burial ground.

  • A landscape designed for one purpose: Resurrection.

  • Combining data from the surveys and excavations with computer generated imagery

  • reveals the Pharaoh's tomb from below.

  • But now, drained of sand, another nine huge underground complexes appear.

  • At least ten royal tombs fill the valley floor.

  • Built more than a thousand years before the Valley of the Kings,

  • this is Ancient Egypt's original city of the dead.

  • And nearby, more ritual enclosures where Pharaohs are worshipped

  • and the tombs of the royal boats.

  • It's the landscape at Abydos that reveals the ultimate reason why all these

  • structures are built so far from the Nile.

  • It all sits at the entrance of a narrow gorge.

  • The gateway to the afterlife.

  • -I think it's very likely that the Ancient Egyptians viewed this canyon as the road that

  • led to the land of the dead.

  • The sun set in the west, the west was where the dead were, that was the other world and

  • this canyon leads directly in that direction.

  • NARRATOR: The people who build this sacred site believe that everything placed here is

  • destined to join the Pharaoh in the afterlife.

  • -Abydos is vital because it's the first area where we see Pharaohs being deposited into

  • graves and treated in this specialized way with gifts for the afterlife

  • and that carries on for millennia.

  • NARRATOR: The tradition that began with the Abydos boats can be seen 200 years later at

  • the pyramid tomb of King Khufu.

  • His mummified body accompanied by a ceremonial boat.

  • Around 1,200 years later the boy King, Tutankhamun is entombed with 35 model boats.

  • Ensuring that in the afterlife each Pharaoh can navigate the all-important Nile.

  • The Ancient Egyptians are master builders.

  • Their spectacular tombs and temples populate more than 900 miles of the Nile Valley.

  • But draining the waters behind the Aswan dam reveals something very different.

  • One of the largest state building projects after the pyramids,

  • a series of 15 massive forts.

  • LAUREL: When we think about ancient Egypt we think of a peaceful society we think

  • about temples and tombs and we don't think about the military.

  • NARRATOR: And the forts that the Egyptian military build here are immense,

  • as technologically advanced as the castles of Medieval Europe

  • that weren't built for another 3000 years.

  • And yet there is little evidence that any of them saw a battle.

  • Can draining the Nile reveal the true purpose of the mystery forts?

  • NARRATOR: For more than 50 years Ancient Egypt's forts

  • are lost beneath the waters of Lake Nasser...

  • their exact purpose, a mystery to archaeologists.

  • Viewing them on the lakebed is impossible.

  • Sediment makes the waters impenetrable to cameras.

  • And diving here can be fatal.

  • But there is one clue.

  • Archaeologist Laurel Bestock is travelling to its remote location, deep in Sudan,

  • near the Southern end of Lake Nasser.

  • Fort Uronarti, one of the last surviving strongpoints

  • from Ancient Egypt's southern frontier.

  • Laurel is fascinated by these forgotten forts and has been

  • excavating Uronarti for six years.

  • -I had thought that I would never be able to see, let alone study personally,

  • such a place.

  • That I could potentially come here was a really a personally profound and

  • a career changing discovery.

  • NARRATOR: Laurel is searching for evidence to help her reveal the secrets of the

  • forts that lie beneath the waters of Lake Nasser.

  • Fort Uronarti itself is built around 1850BC, during an era known as the Middle Kingdom.

  • It stands 200 miles south of Ancient Egyptian territory in what was once no man's land.

  • -This represents the edge of the known world to the Egyptians.

  • Egypt is behind me up the Nile, that's the familiar world,

  • the world where the Egyptians felt at home, they knew how to behave in this place.

  • It's a culture and a landscape together.

  • Out there is the rest of ancient Africa, and that's very much a,

  • a place that the Egyptians conceive of as terrifying, it's where they view the

  • people and even the landscape itself as a threat to their order.

  • NARRATOR: Beyond Egypt lies the land of Nubia...

  • and the kingdom of the Kushites.

  • Their fearsome warriors raid Egypt from the south.

  • So the Pharaohs need to secure their territory.

  • Clues to how they do it can be found at Uronarti.

  • -Uronarti is really built for defense.

  • It's hard to imagine a space that would be more difficult to attack and you come up this

  • steep hill and you're met with this massive fortified gateway.

  • We're standing in between the remains of what was two towers,

  • even thicker than the walls of Uronarti itself.

  • You can see how massive the brickwork is here.

  • It's even reinforced you can see there are, are the remains of beams coming through the

  • walls that would have acted like rebar in reinforced concrete here.

  • NARRATOR: Fort Uronarti is a powerful deterrent to the hostile Kushites.

  • But it's barely a fraction of the military might

  • Ancient Egypt is about to unleash on its enemy.

  • Most of that military machine now lies beneath Lake Nasser,

  • one of the largest reservoirs in the world.

  • The forts are lost forever when Egypt builds the Aswan High Dam in the 1960s,

  • to produce hydroelectric power and control irrigation.

  • The rising waters threaten some of Egypt's greatest monuments.

  • So one of the world's largest archaeological salvage operations begins,

  • involving 15 countries and more than $72 million.

  • Monuments that can't be moved are excavated and recorded

  • including Ancient Egypt's lost fortresses.

  • Today, one of the most complete sets of archaeological reports from

  • that time is kept at the Egypt Exploration Society.

  • CEDRIC: First of all you see how huge these forts were.

  • NARRATOR: And reveals some tantalizing clues.

  • CHRIS: And yet, since this was taken all of this is gone?

  • -Completely flooded, yes unfortunately.

  • -Incredible

  • -So this is why we're all so thankful to the mission that

  • has excavated and recorded all these forts.

  • NARRATOR: Today investigators are analyzing the evidence to

  • discover why the Egyptians need as many as 15 forts.

  • Using this data and the latest computer graphic technology

  • it's possible to drain the waters from Lake Nasser.

  • 44 trillion gallons of water are unleashed into the Nile

  • slowly revealing a world that's 4000 years old.

  • Travelling south beyond Ancient Egypt, Fort Iken appears.

  • Then Fort Askut.

  • Furthest south two more, Fort Kumma and Semna.

  • Altogether a total of 15 forts.

  • Spanning 200 miles, it's the longest fortified frontier in the world,

  • along this strategically important stretch of the Nile.

  • STEVEN: Because the Nile river was the principal thoroughfare up,

  • the forts were arranged north to south,

  • stopping any invasion from the south into the north.

  • NARRATOR: The wall of forts transforms the Nile into a

  • formidable barrier against the Kushites.

  • But why do the Ancient Egyptians

  • need to dominate territory so far beyond their heartlands?

  • A clue comes from a fort inscription.

  • It reveals that much of the frontier is created to

  • satisfy one Pharaoh's military ambition.

  • PHARAOH: I have made my boundary further south than my fathers.

  • NARRATOR: And how he boasts about crushing the Kushite enemy.

  • PHARAOH: They are not people one respects.

  • They are wretches.

  • I have captured their women, gone to their wells, killed their cattle,

  • cut down their grain, set fire to it.

  • -They definitely claimed this territory for their own by

  • building these fortresses and said 'this is Egypt's now'.

  • JON: These forts are representing a sort of

  • consolidation of power of the Pharaoh.

  • NARRATOR: But why does Ancient Egypt need so many

  • forts constructed on such a massive scale?

  • Could they have been built to protect something even more

  • valuable than a Pharaoh's power?

  • NARRATOR: When Egypt's Aswan Dam is built in the 1960s the largest fort to disappear

  • beneath Lake Nasser is Fort Buhen.

  • Hidden inside it is evidence of Ancient Egypt's military secrets.

  • Draining the water from Lake Nasser, reveals traces of Fort Buhen,

  • not seen for more than 50 years.

  • By combining the archaeological data with 3D computer graphics

  • Fort Buhen is reconstructed.

  • Revealing the nerve center of Ancient Egypt's frontier for the first time.

  • And it's colossal!

  • Buhen's vast footprint covers an area 20 times larger than Fort Uronarti.

  • Its perimeter wall, almost a mile circuit.

  • The 36 foot high walls dominate the riverfront.

  • This is Fort Buhen in all its original glory.

  • And everything about it is designed to intimidate.

  • LAUREL: It really shows the state power.

  • It puts it outside so it's not just a symbol to the Egyptians,

  • it's a symbol to other people.

  • JON: These forts were clearly about military power.

  • They were about domination.

  • -One of the purposes of this monument is to be imposing.

  • NARRATOR: The monumental scale of Buhen is designed to terrify the Kushite enemy and

  • proudly display military architecture so advanced,

  • that it makes any raid on it, futile.

  • STEVEN: What's unbelievable is if I told you, that all of the features that you find in

  • mediaeval European forts were already in place

  • in these mud brick forts 2000 to 1800 BC in Egypt,

  • you would say no, you're wrong.

  • NARRATOR: 3,000 years before the famous castles of Europe are built,

  • Fort Buhen has a dry moat, a fortified gateway,

  • defensive battlements and sophisticated arrow loops

  • with a firing arc of 180 degrees.

  • -Basically, everything that you come to love about a mediaeval fort is already

  • there in the Middle Kingdom forts in Egypt.

  • NARRATOR: It seems the intimidating power of the forts achieves its aim.

  • Archaeological investigations here uncover almost no evidence of fighting.

  • Is this lack of violence, a clue that the Nile frontier has another,

  • entirely different purpose?

  • Evidence lies deep inside Fort Buhen.

  • Archaeologists believe that within the citadel lies a complex of enormous silos for

  • storing precious grain.

  • -The size of those granaries means that they could hold way more food than is necessary

  • for the number of people who would have lived at Buhen and that's an important clue for

  • us in terms of the economic activity that's going on.

  • NARRATOR: Egypt is trading grain for gold.

  • The forts not only dominate Ancient Egypt's southern neighbors,

  • they also guard the trade routes from the gold mines of Nubia.

  • To the Egyptians, gold is all important.

  • And Nubia is the main source.

  • The Pharaohs and their wealthiest subjects wear gold and cover their coffins with it

  • as the ultimate symbol of power.

  • -The building of the fortresses was an attempt to impose a trading monopoly on

  • gold coming up from the south and to make sure that this is

  • all happening through the Egyptian state.

  • NARRATOR: No one can pass through this 200-mile stretch of territory undetected.

  • Filled with soldiers, the forts form an effective surveillance system designed

  • to trap thieves, smugglers and raiders.

  • By ensuring all trade happens inside the forts

  • Egypt secures the best of the deals for itself.

  • These are the Fort Knoxes of the Ancient Egyptian world,

  • trading gold and defending it from attack.

  • Inside both Fort Uronarti and Fort Buhen there are clues to the scale of that operation.

  • -This space was a barracks house, and this is a pattern

  • we see repeated throughout the fortress.

  • NARRATOR: Buhen reveals many similar barracks, divided into larger communal areas and

  • smaller rooms that archaeologists identify as sleeping quarters.

  • -We can calculate how many people might have been able to

  • sleep in the fortress at any given time.

  • From the space that's here it's a fairly decent space but if you think of soldiers lying

  • close next to one another this could pack ten people in this room with no problem and if

  • you think I'm relatively tall for an ancient Egyptian but if I lie here with my companions

  • next to me you can get 10 of us in this room with no problem.

  • NARRATOR: Scaling up, it's estimated that Uronarti could house 400 soldiers.

  • And Buhen thousands more.

  • -So you're looking at a multi-functional, multi-purpose facility that

  • was vibrant and alive and was like a little city contained within itself.

  • NARRATOR: At full capacity the whole fortress system could be packed with 10,000 soldiers,

  • scribes and officials.

  • Operating such an advanced frontier in far-flung lands is the pinnacle of

  • Ancient Egypt's military achievement.

  • An organizational feat on a scale that's similar to

  • the building of the great pyramids.

  • -You can see how this architecture enables this activity and really this

  • bustling city on the edge of the Nile here at the edge of the world.

  • NARRATOR: Ancient Egypt's forts protect its unique civilization from invasion and

  • enable it to control the gold trade.

  • Bringing glorification to its Pharaohs for the centuries to come.

  • By the 1st Century BC the Ancient Egyptians are no more.

  • But the mysteries they leave behind beneath the Nile Valley are a permanent reminder of

  • their extraordinary culture.

  • The legacy of Ancient Egypt lives on.

  • Its architectural treasures, remarkable beliefs,

  • formidable state power,

  • and its golden voyages between the worlds of the living and the dead.

  • Captioned by Cotter Captioning Services.

NARRATOR: The mysteries of ancient Egypt, and its hidden secrets.

Subtitles and vocabulary

Click the word to look it up Click the word to find further inforamtion about it