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The Kid Should See This

How deep have humans dug into the Earth?

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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