The Daily Galaxy on MSN
Why the deepest hole on Earth was sealed, and what they discovered before it was closed!
Deep in the Arctic Circle, there’s a man-made hole that once earned the nickname “the entrance to hell.” The Kola Superdeep ...
Deep in the Arctic Circle, in Russia, lies the deepest hole ever dug which was once called 'the entrance to hell'. The Kola ...
Taam Ja reveals a 274-meter abyss in Chetumal Bay, the second-deepest blue hole on the planet and a mystery hidden beneath ...
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