enargeia on Nostr: The Realmonte Salt Mines, 50 miles of tunnels made 300 feet under sea level. The ...

The Realmonte Salt Mines, 50 miles of tunnels made 300 feet under sea level. The temperature at which a solution's evaporating can affect the type of salt that precipitates, meaning the light and dark salts seen on the wall represent summer vs. winter deposits.

The mine also contains a church complete with altar, steps, frescos, and crucifix all painstakingly carved from the salt face by mine workers, which can accommodate up to 800 people. Each year in early December, ceremonies are held to celebrate Santa Barbara, protector of mine workers.