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Earth's Extremes

The World's Deepest Caves and the Alien Ecosystems Inside Them

Fact 1 of 274%

Veryovkina Cave is deeper than four Burj Khalifa towers stacked together.

Veryovkina Cave is deeper than four Burj Khalifa towers stacked together.

The abyss of a super-deep cave system.

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Explorers must travel over 2,212 meters underground to reach the bottom of Veryovkina in Abkhazia. The journey takes professional cavers more than a week of constant vertical descent.

"At 2.2 kilometers deep, you are in a different world entirely."

This descent represents the deepest point accessible to humans on the terrestrial crust.

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