Who knows the black population of Bolivia ? Reduced today at only a few thousand people scattered in the "Yungas" villages , the Afro-Bolivians are descendants of former slaves, decimated by thousands in the silver mines of Potosi. Nowadays, they are mostly small farmers and share their territory with the Aymara Indians, cultivating like them coca and coffee. They were, until recently, completely unknown to everyone, even non-existent in the constitution of Bolivia, isolated victims of racism, at the lowest of the social ladder. But for last ten years, notably under the impetus of their music, saya, delivered to date, they are eager to take their destiny in hand and throw their weight to reach a true recognition and regain their pride as a real people of Bolivia.