These are sights and sounds of life among the Tsimane people of Bolivia. The Tsimane get most of their food from the river, the forest, or fields and gardens carved out among the trees.
In its September 2014 issue, National Geographic magazine explores the evolution of the human diet across a wide spectrum of cultures.
Link: http://video.nationalgeographic.com/video/magazine/150815-ngm-diet-bolivia-ngfood