La Paz is the government's administration city of Bolivia. Few distance from the city of Potosí in the Inferior High Lands there are the land of Ahuatiris and Tinkus native, where you can find the Cerro Rico, place where the Spanish colony exploited the famous Potosi silver mines. There exists a splendid marvel: The Uyuni Salt Desert. It's one of the salt extensions bigger in the world: it's about 12.400 Kilometers square. That was the primordial Bolivian population livelihood.