Italy
Cerro Negro Norte (CNN) is an open-pit iron mine in northern Chile about 30 km north of the city of Copiapó in inland Atacama Region. The ore of the mine is one of various iron oxide-apatite (IOA) ores that are part of the north–south Chilean Iron Belt.
Listen to the audio guide for Cerro Negro Norte mine Free on WIP — starts by itself when you arrive, even with the screen off