169 Archaeologists Find Cave, Then Realize They're Staring at Possibly the Largest Christian Discovery of Its Kind in History (www.westernjournal.com) posted 2 years ago by One_Of_Gods_Soldiers 2 years ago by One_Of_Gods_Soldiers +169 / -0 16 comments share 16 comments share save hide report block hide replies
The underground tunnels under Paris are insane.
Parisians started mining limestone and gypsum from Paris sometime in the 1200s. There is at least 200 miles worth of mining tunnels under the city that they know about. No telling how many they don't know about.