Caldera, Italy
The San José Mine (Spanish: Mina San José) was a small copper-gold mine located near Copiapó, Atacama Region, Chile. The mine became known internationally for its collapse in 2010, which trapped 33 miners 700 metres (2,300 ft) underground. Its workings are reached by a long sloping roadway with many
spiral turns (a diagram shows ten turns), not by a vertical mineshaft. It was converted into a tourist attraction.
Listen to the audio guide for San José Mine Free on WIP — starts by itself when you arrive, even with the screen off