Veryovkina Cave drops more than two kilometers beneath Earth. 🕳️ . . . In March 2018, explorers measured the Abkhazian cave at 2,212 meters deep. Reaching its bottom required days of squeezing through cold, flooded passages in total darkness. Mountaineers climb into thinner air; here, cavers descended so far that rainwater could arrive underground as a deadly flood pulse.
Source
National Geographic, 2018, 'The world's deepest cave is even deeper than we thought'
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