Maquinaria Lorenzana S.A.

The world's largest underground mine contains three thousand miles equipment that includes museums, BBS, auditoriums and traffic lights.

The level of infrastructure that include scattered in three thousand miles of tunnels, it is comparable to the life of a small town. El Teniente, the world's largest underground mine, is 108 years old crossed streets regulated by traffic lights, BBS for emergencies, ambulances, museums, auditoriums, offices and 12 thousand workers who, in turn, maintain active copper extraction.