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  • (ethereal music)

  • - [Narrator] 150 feet underground

  • in 30 million year old caves

  • an unforgettable sight glitters in the dark.

  • The Waitomo Glowworm Caves in New Zealand

  • are home to about 30,000

  • endemic Arachnocampa luminosa glowworms.

  • They spend their days spinning silk nests from the ceilings

  • and then lowering threads to fish for prey,

  • much like a spider.

  • The luminescent bead-like strings are spell binding.

  • The glowworms use light to attract prey

  • and burn off waste.

  • The glow is created by a combination of chemicals

  • given off by the glowworm and the oxygen in the air.

  • The caves are ideal for the worms

  • as they need a dark, damp location

  • where their light can be seen.

  • The Waitomo Caves they call home

  • are named after the Maori words wai,

  • which means water,

  • and tomo which means hole or shaft.

  • And although they live deep underground,

  • the journey to see them is never one to disappoint.

(ethereal music)

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