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The Kid Should See This

How deep have humans dug into the Earth?

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From the deep end of Olympic swimming pools to The Paris Catacombs to Switzerland’s Gotthard Base Tunnel to the Z-44 Chayvo Well in eastern Russia, travel down into the planet via this surprising Tech Insider animation: How Deep Humans Have Dug.

Next: Everything You Need to Know About Planet Earth, The Archaeology of Crossrail and the history of London, Burj Khalifa: The tech behind the world’s tallest building, and How does a tunnel boring machine work?

Thanks, @benjohnbarnes.

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