Indigenous leader Cacique Raoni of Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

A Kayapo woman films a performance of the Tapirebe tribe during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

Indigenous leader Cacique Raoni of Kayapo tribe watches a performance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous woman of Kayapo tribe sing and dance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

An indigenous girl of Kayapo tribe is pictured inside her house during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous people of Kayapo tribe dance and sing during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe delivers a speech during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous kids of Kayapo tribe play outside their house as people of various tribes attend a meeting during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous kids of Kayapo tribe play outside their house as people of various tribes attend a meeting during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

An indigenous girl of Kayapo tribe is pictured inside her house during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe sits with other leaders during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe watches a performance of Kayapo people during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe sits with others leaders during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe watches a performance of Kayapo people during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe speaks during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 17, 2020. REUTERS/Ricardo Moraes

Cacique Bedjai, from Kayapo tribe poses for a picture during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. Picture taken January 15, 2020. When asked what the importance of nature would be or what they expect for the future of their people, said: “For the future, we want the river to continue and the forest to continue without invaders, without fishermen, without prospectors". REUTERS/Ricardo Moraes

An Indigenous child films the speech of a Kayapo woman during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. Picture taken January 15, 2020. REUTERS/Ricardo Moraes

A indigenous woman of the Kayapo tribe looks at her phone outside her house during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe greets Angela Mendes, daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of the Kayapo tribe is pictured during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

An indigenous man of the Kayapo tribe attends a meeting during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 16, 2020. REUTERS/Ricardo Moraes

Indigenous people of Kayapo tribe perform a greeting dance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

A kayapo woman shouts during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leaders Cacique Raoni of Kayapo tribe and Sonia Guajajara talk during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Children of the Kayapo tribe sit on the banks of Xingu River during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Kayapo women stand on a truck during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe talks during a news conference during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe talks during a news conference during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

A kid looks on as Indigenous leader Cacique Raoni of Kayapo tribe talks during a joint declaration to the media with Indigenous leader Sonia Guajajara and Angela Mendes, daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Kids play on Xingu River during a joint declaration to the media by Indigenous leaders Cacique Raoni of Kayapo tribe (C) and Sonia Guajajara (3rd L), and Angela Mendes (2nd R), daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe (L) talks during a joint declaration to media with Indigenous leader Sonia Guajajara (not pictured) and Angela Mendes (2nd R), daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe (R) talks during a joint declaration to media with Indigenous leader Sonia Guajajara (L) and Angela Mendes (not pictured), daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe (C) talks during a joint declaration to the media, with Indigenous leader Sonia Guajajara (3rd L) and Angela Mendes (2nd R), daughter of late environmentalist Chico Mendes, during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 15, 2020. REUTERS/Ricardo Moraes

An Indigenous man of Kayapo tribe, attends a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, attends a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

An Indigenous man of Kayapo tribe, attends a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous people of Kayapo tribe, perform a greeting dance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, attends a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous people of Kayapo tribe, get inside the Casa dos Homens (Men House) to attend a meeting during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, attends a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, talks during the opening of a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, talks during the opening of a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous leader Cacique Raoni of Kayapo tribe, talks during the opening of a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Indigenous people of Kayapo tribe, perform a greeting dance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY

Indigenous people of Kayapo tribe, perform a greeting dance during a four-day pow wow in Piaracu village, in Xingu Indigenous Park, near Sao Jose do Xingu, Mato Grosso state, Brazil, January 14, 2020. REUTERS/Ricardo Moraes

Kayapo indigenous men stand on a tree log and a tree stump left by loggers who fled when they where doing a surveillance patrol tree weeks ago on their land in the Amazon near Novo Progresso, Para state, Brazil September 13, 2019. Picture taken September 13, 2019. REUTERS/Amanda Perobelli

Kayapo indigenous children throw their flip flops to drop guava from a tree in Bau village near Novo Progresso, Para state, Brazil September 12, 2019. Picture taken September 12, 2019. REUTERS/Amanda Perobelli

A Kayapo indigenous child is pictured in Bau village near Novo Progresso, Para state, Brazil September 12, 2019. Picture taken September 12, 2019. REUTERS/Amanda Perobelli

A Kayapo indigenous man carries a child in Bau village near Novo Progresso, Para state, Brazil September 12, 2019. Picture taken September 12, 2019. REUTERS/Amanda Perobelli

A Kayapo indigenous woman paints her daughter with a Kayapo traditional drawing in Bau village near Novo Progresso, Para state, Brazil September 14, 2019. Picture taken September 14, 2019. REUTERS/Amanda Perobelli TPX IMAGES OF THE DAY

A Kayapo indigenous man looks at a tree stump, where loggers invaded and deforested the forest on Bau indigenous land, in the Amazon near Novo Progresso, Para state, Brazil September 13, 2019. Picture taken September 13, 2019. REUTERS/Amanda Perobelli

Wakonkra Kayapo, 69, points during a surveillance patrol made by Kayapo indigenous people around Bau indigenous land in the Amazon to protect it from loggers and land grabbers near Novo Progresso, Para state, Brazil September 12, 2019. Picture taken September 12, 2019. REUTERS/Amanda Perobelli

Kayapo indigenous men inspect tree logs left by loggers who fled as they where doing a surveillance patrol three weeks ago on Bau indigenous land in the Amazon near Novo Progresso, Para state, Brazil September 13, 2019. Picture taken September 13, 2019. REUTERS/Amanda Perobelli

Kayapo indigenous men walk along a road opened by loggers on Bau indigenous land in the Amazon near Novo Progresso, Para state, Brazil September 13, 2019. Picture taken September 13, 2019. REUTERS/Amanda Perobelli