Tourism becomes the miners new vein, when Lonely planet discovers the fascinating hardships of the silvermine. This lyrical documentary with social economical undertone, resists the temptation of interview.

In an observing way GRITO de PIEDRA (SCREAM of the STONE) gives an inside view of the lives of Gavino and Pedro Montes. Gavino is a miner in the Cerro Rico in Potosí, Bolivia. His son Pedro, a 23 year old student, works as a tourist guide in the same mine.
Over the last decade, tourism has discovered Potosí and the fascinating hardships of the silver mine. Already, tourism has left its marks on the town and its people.