Kaiapo Indian Chief Raony attends a protest against the construction of the Belo Monte hydroelectric dam in front the National Congress in Brasilia, Brazil, Tuesday Feb. 8, 2011. A Brazilian environmental agency has given approval for initial work to begin on a massive hydroelectric dam planned for the heart of the Amazon jungle. The 11,000-megawatt project to dam the Xingu River, which feeds the Amazon, would be the third-largest such hydroelectric project in the world. (AP Photo/Eraldo Peres)