A Brazilian Xavante man carries a log in a race, during the first day of competition at the World Indigenous Games, in Palmas, Brazil, Saturday, October 24, 2015. Billed as the indigenous Olympics, the games are expected to attract nearly 2,000 athletes from dozens of Brazilian ethnicities, as well as from such far-flung nations as Ethiopia and New Zealand. (Photo by Eraldo Peres/AP Photo)





Indigenous men from the Erikbaktsa tribe watch a presentation of the various sporting disciplines included in the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman smiles during a presentation of the various sporting disciplines included in the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous man is seen during a presentation of the various sporting disciplines included in the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





A indigenous man wears sunglasses during a presentation of the various sporting disciplines included in the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





Indigenous people are seen watching fireworks during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous man watches fireworks during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous man takes photos of fireworks during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous woman participates in a parade called "International Indigenous Beauty" during the first World Games for Indigenous Peoples in Palmas, Brazil, October 24, 2015. (Photo by Ueslei Marcelino/Reuters)





A Brazilian indigenous man takes pictures with his mobile phone during the third day of the World Indigenous Games, in Palmas, Brazil, 25 October 2015. The multisport event, with over 2,000 participating indigenous athletes from 30 countries from all over world, runs until 01 November. (Photo by Fernando Bizerra Jr./EPA)





Indigenous people from several tribes are pictured at the sports arena during the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





Indigenous people from several tribes protest inside the sports arena during the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





A indigenous woman protests at a sports arena during the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. The sign says: "SOS! No to the proposed constitutional amendment 215 (PEC 215)". (Photo by Ueslei Marcelino/Reuters)





Indigenous children play wrestle during the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





Indigenous people compete during a tug-of-war competition at the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





Indigenous people compete during a tug-of-war competition at the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





Indigenous people compete during a tug-of-war competition at the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)





An indigenous man is seen at the sports arena during the first World Games for Indigenous Peoples in Palmas, Brazil, October 25, 2015. (Photo by Ueslei Marcelino/Reuters)