Waura Indians participate in a ceremony during this year's 'quarup,' a ritual held over several days to honour in death a person of great importance to them, in Xingu National Park, Mato Grosso State, August 25, 2013. This year the Waura tribe honoured their late cacique (chief) Atamai, who died in 2012, for his work creating the Xingu Park and his important contribution in facilitating communication between white Brazilians and Indians. Picture taken August 25, 2013. [Photo/Agencies]