Big Hole in Siberia: Why This Enormous Crater Appeared in Russia

A 164-foot crater burst open in a desolate region of the Siberian tundra. Here
A 164-foot crater burst open in a desolate region of the Siberian tundra. Here's what happened—and what it means for the rest of the world.

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Big Hole in Siberia: Why This Enormous Crater Appeared in Russia

Russian research team explores giant Siberian sinkhole, Sinkholes

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