visionfire1 t1_j4s0awy wrote on January 17, 2023 at 9:22 PM Reply to 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 go to the rock climbing gym down there! Permalink 5
visionfire1 t1_j4s0awy wrote
Reply to 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 go to the rock climbing gym down there!