Pahnin Mekragnotire, a 40-years-old indigenous man of the Kayapo tribe, observes logs left by loggers during a surveillance patrol the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

An armed Kayapo indigenous man patrols the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

Kayapo indigenous men patrol in the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

Pahnin Mekragnotire, a 40-years-old indigenous man of the Kayapo tribe, rides his boat on Pichacha river during a surveillance patrol of the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern of Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

A Kayapo indigenous man armed patrols in the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern of Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

Kayapo indigenous men patrol in the Menkragnoti Indigenous Land to defend their territory against attacks by loggers and miners at the Krimej village in southwestern of Para state, Brazil, September 7, 2021. Picture taken September 7, 2021. REUTERS/Lucas Landau

A Kayapo child with differently colored eyes looks on from his mother's lap during the camp Luta pela Vida (Struggle for Life), during a demonstration in defence of local indigenous people, in Brasilia, Brazil August 23, 2021. REUTERS/Adriano Machado

A Kayapo child looks on from his mother's lap during the camp Luta pela Vida (Struggle for Life), during a demonstration in defence of local indigenous people, in Brasilia, Brazil August 23, 2021. REUTERS/Adriano Machado TPX IMAGES OF THE DAY

Indigenous leader Megaron Txucarramae of the Kayapo attends a protest for land demarcation and against President Jair Bolsonaro's government, in front of the National Congress in Brasilia, Brazil June 23, 2021. REUTERS/Ueslei Marcelino

Indigenous leader Megaron Txucarramae of the Kayapo tribe participates in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the National Congress in Brasilia, Brazil June 23, 2021. REUTERS/Ueslei Marcelino

Indigenous leader Megaron Txucarramae of the Kayapo tribe participates in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the National Congress in Brasilia, Brazil June 23, 2021. REUTERS/Ueslei Marcelino

Indigenous leader Megaron Txucarramae of the Kayapo tribe participates in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the National Congress in Brasilia, Brazil June 23, 2021. REUTERS/Ueslei Marcelino

An indigenous woman of the Kayapo tribe dances in front police forces during a protest for land demarcation and against President Jair Bolsonaro's government, in front of National Congress in Brasilia, Brazil June 22, 2021. REUTERS/Ueslei Marcelino

Indigenous leader Megaron Txucarramae of the Kayapo tribe attends a protest with his kids for land demarcation and against President Jair Bolsonaro's government, outside Brazil's Supreme Federal Court in Brasilia, June 18, 2021. REUTERS/Adriano Machado

Indigenous leader Megaron Txucarramae of the Kayapo tribe looks on during a protest for land demarcation and against President Jair Bolsonaro's government, outside Brazil's Supreme Federal Court in Brasilia June 18, 2021. REUTERS/Adriano Machado

Indigenous leader Megaron Txucarramae of the Kayapo tribe looks on during a protest for land demarcation and against President Jair Bolsonaro's government, in front of the Planalto Palace in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous leader Megaron Txucarramae of the Kayapo tribe looks on during a protest for land demarcation and against President Jair Bolsonaro's government, in front of the Planalto Palace in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

An indigenous woman from Kayapo ethnic group takes part in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the Planalto Palace in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Kayapo indigenous people talk with federal police officers on Brazil's BR 163 national highway, during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau TPX IMAGES OF THE DAY

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau TPX IMAGES OF THE DAY

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

The Kayapo indigenous people take pictures after the reopening of the BR-163 highway, during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

The Kayapo indigenous people are seen after the reopening of the BR-163 highway, during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

The Kayapo indigenous people are seen after the reopening of the BR-163 highway, during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

The Kayapo indigenous people are seen before the reopening of the BR-163 highway, during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 18, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau TPX IMAGES OF THE DAY

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

A Kayapo indigenous man talks with a federal highway police officer during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), at Brazil's BR 163 national highway in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people walk on Brazil's BR 163 national highway blocked during their protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

A Kayapo indigenous man is seen during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), at Brazil's BR 163 national highway in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

A Kayapo indigenous man is seen during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), at Brazil's BR 163 national highway in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people walk on Brazil's BR 163 national highway blocked during their protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

A woman walks on Brazil's BR 163 national highway blocked by Kayapo indigenous people, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

A Kayapo indigenous man is seen during a protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), at Brazil's BR 163 national highway in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people open their blockade of the Brazil's BR 163 national highway for an ambulance, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. The banner reads: "In defense of the Amazon. Without listening to the indigenous people, there will be no concession and railway. We do not accept!" REUTERS/Lucas Landau

Kayapo indigenous people block Brazil's BR 163 national highway, as they protest against the government measures in the indigenous lands to avoid the spread of the coronavirus disease (COVID-19), in Novo Progresso, Para state, Brazil August 17, 2020. The banner reads: "In defense of the Amazon. Without listening to the indigenous people, there will be no concession and railway. We do not accept!" REUTERS/Lucas Landau

Indigenous leader Paulinho Paiakan of Kayapo tribe, takes part a protest against Brazil's president Michel Temer for the violation of indigenous people's rights, in Brasilia, Brazil April 24, 2017. Picture taken April 24, 2017. REUTERS/Ueslei Marcelino

Indigenous leader Paulinho Paiakan of Kayapo tribe, takes part a protest against Brazil's president Michel Temer for the violation of indigenous people's rights, in Brasilia, Brazil April 24, 2017. Picture taken April 24, 2017. REUTERS/Ueslei Marcelino

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