7 of the Deepest Holes Humanity Ever Dug

Name: 7 of the Deepest Holes Humanity Ever Dug
Uploaded: 2018-01-25T00:31:44+00:00
Duration: 1 min 44 s
Channel: Popular Mechanics
Description: We explore some of the craziest manmade holes out there through both ice and land.

Popular Mechanics

We explore some of the craziest manmade holes out there through both ice and land.

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