How deep have humans dug into the Earth? | The Kid Should See This https://thekidshouldseethis.com/post/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
buildingscavesdiggingdirtEarthgeologyindustryminingmonumentsoilplanetssciencetechnologyunderground From the deep end of Olympic swimming pools to The Paris Catacombs to Switzerland’s Gotthard