Why The World’s Deepest Cave Is An ‘Alien’ Land With ‘Impossible’ Creatures
Veryovkina Cave reveals more mysteries the deeper you go. Here’s everything that makes this cave a world of its own ...
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Humans have dug much deeper than you would expect
The Burj Khalifa would go 2,722 feet below the surface. The deepest known point in a cave is in Krubera Cave in Georgia. Switzerland's Gotthard Base Tunnel is the deepest railway tunnel.