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.
thedrive.comSubmitted by corn_dog_22 t3_10eg6kw in todayilearned
Viewing a single comment thread. View all comments