Desc: Esas Voces Que Curan: Directed by Delia Ackerman, Heather Greer. The Shipibo-Conibo people have lived in the Peruvian Amazon for over 4,000 years, passing on their knowledge of plants and sacred songs from one generation to the next. 'Esas Voces Que Curan (Voices That Heal)' tells the story of a Shipibo shaman and her family, and of their struggle to keep their traditions alive while facing the challenges of the modern world.