It just looks like an engineering catastrophe about to happen.

trip to the underworld might be a few minutes  long instead of a catastrophe that produces  

It's known as the Mongol Catastrophe.

create a global catastrophe which is estimated to occur

man-made global catastrophe. Though the clock more recently

Many people considered the Nicaragua Canal's construction to be an environmental catastrophe, But the ultimate reasons for why it failed were economic ones.

However, into 2020, the world was faced with a challenge and it wasn't ready for including the US that almost topped the economic, will which led many countries to pump trillions of dollars into the economy to save it from the catastrophe that it could face on top of that.

But underneath this great success there is a harsh reality, a reality that china doesn't want you to know when you look deep inside china, you realize that china is suffering from crisis is that it still doesn't know how to solve its to the tech problem or a financial crisis, although China is on the brink of a financial catastrophe.

but catastrophe is not yet certain.

But with this last overture turning to catastrophe,

This war is called the seminal catastrophe of the 20th century

of meaningless, self-inflicted catastrophe.

The seminal catastrophe has begun.