Munduruku gather and on boats reach a location where they place a demarcation sign. The Mundurukú people have inhabited the Sawré Muybu in the heart of the Amazon, for generations. The Brazilian government plans to build a series of dams in the Tapajós River basin, which would severely threaten their way of life. The Mundurukú demand the demarcation of their territory which would ensures protection from such projects. In addition to preserving their way of life, the demarcation of Sawré Muybu ensures the conservation of 178,000 hectares of Amazonian rainforest.