This copper mine already known in Etruscan and Roman times reached its peak in 1800 becoming the largest and most famous mine in Europe. It boasts 35km of tunnels that lead into the bowels of the earth at a depth of more than 300 meters, some of which can still be visited thanks to excursions organized by the "Museum of Mines". The building portrayed in the photo is "Pozzo Alfredo" which since 1855 ...