Morning Overview on MSN
The world’s deepest hole once dubbed the entrance to hell is now sealed
The deepest man-made hole on Earth is no longer a gaping wound in the Arctic rock but a quiet, sealed scar. Once hyped as a ...
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 ...
Explore the fascinating tale of the Kola Superdeep Borehole, a monumental scientific endeavor by the Soviet Union that aimed ...
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