New research suggests Hranice Abyss--the world's deepest freshwater cave--is around 0.6 miles (1 kilometer) deep, which is more than twice the depth of previous estimates.
No One Knows What Lurks at the Bottom of This Freakishly Deep Submerged Cave
Gizmodo - 8 Sep 2020 22:33
New research suggests Hranice Abyss--the world's deepest freshwater cave--is around 0.6 miles (1 kilometer) deep, which is more than twice the depth of previous estimates.
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