Cerro Rico de Potosi is a mountain popularly conceived of as being "made of" silver ore that dominates in the city. It´s the reason for Potosi´s historical importance, since it was the major silver supplier for Spain during the New World Spanish Empire period. Through the tour, enjoy the city central part known in the colonial period as the “Carlos V Imperial villa”. In this place, observe: streets, squares, temples, civil buildings and colonial covers with lots of culture and, indeed, history.