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noglorynoguts t1_j4sbmob wrote on January 17, 2023 at 10:33 PM

Reply to comment by fireaunts in TIL about SubTropolis, a giant former limestone mine under Kansas City that was converted into the world’s largest underground business complex. The 1,100-acre complex is accessed through tunnels, and as of 2015, 1,600 people worked there. by corn_dog_22

I used to work for the composting department of JCCC and had to drive down there regularly to get wood shavings from a milling company. It is massive