U.S. President Joe Biden takes to the podium prior to signing of the Juneteenth National Independence Day Act into law in the East Room of the White House in Washington, U.S., June 17, 2021. REUTERS/Carlos Barria

U.S. President Joe Biden speaks prior to signing of the Juneteenth National Independence Day Act into law in the East Room of the White House in Washington, U.S., June 17, 2021. REUTERS/Carlos Barria

U.S. President Joe Biden arrives prior to signing of the Juneteenth National Independence Day Act into law in the East Room of the White House in Washington, U.S., June 17, 2021. REUTERS/Carlos Barria

U.S. President Joe Biden applauds Vice President Kamala Harris as they arrive to marking the signing of the Juneteenth National Independence Day Act into law in the East Room of the White House in Washington, U.S., June 17, 2021. REUTERS/Carlos Barria

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 16, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 16, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

Police officers stand guard as Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

A demonstrator uses a cellphone as Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

Demonstrators raise their fists as Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

A demonstrator raises his hand in front of police officers as Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

A demonstrator raises his hands in front of police officers as Indigenous Brazilians from different ethnic groups take part in a protest to defend the demarcation of indigenous lands, in Brasilia, Brazil June 16, 2021. REUTERS/ Henry Romero

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

Uinatam Pataxo, of the Pataxo 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 TPX IMAGES OF THE DAY

A police officer stands guard, while Indigenous Brazilians protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Police officers stand guard, while Indigenous Brazilians protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilian women perform a ritual dance, as they protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilian women perform a ritual dance, as they protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

An Indigenous man uses his cellphone during a protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilians perform a ritual dance, as they protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous Brazilians perform a ritual dance, as they protest to defend demarcation of indigenous lands next the National Congress in Brasilia, Brazil June 16, 2021. REUTERS/Adriano Machado

Indigenous children take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado TPX IMAGES OF THE DAY

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

An indigenous child from Munduruku 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

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands near to National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians perform a ritual dance as they protest to defend demarcation of indigenous lands in front of Justice Ministry in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

An Indigenous man takes part in a protest to defend demarcation of indigenous lands in front of National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians hold bows and arrows as they protest to defend demarcation of indigenous lands in front of National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians hold bows and arrows as they protest to defend demarcation of indigenous lands in front of National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands in front of National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands in front of National Congress in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest to defend demarcation of indigenous lands in front of Justice Ministry in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians perform a ritual dance as they protest to defend demarcation of indigenous lands in front of Justice Ministry in Brasilia, Brazil June 15, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, outside Brazil's Supreme Federal Court in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, outside Brazil's Supreme Federal Court in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the Planalto Palace in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government next the National Congress in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in front of the Planalto Palace in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Leader Kretan Kaingang of the Kaingang tribe, wearing a protective face mask reading "Out Bolsonaro", 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 14, 2021. REUTERS/Adriano Machado

Indigenous Leader Sonia Guajajara of the Guajajara tribe looks on during a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Indigenous Leader Kretan Kaingang of the Kaingang tribe, wearing a protective face mask reading "Out Bolsonaro", 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 14, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 14, 2021. REUTERS/Adriano Machado

Debora Pataxo, of the Pataxo 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 14, 2021. REUTERS/Adriano Machado TPX IMAGES OF THE DAY

Indigenous Brazilians from different ethnic groups plays soccer at the Esplanade of Ministries in Brasilia, Brazil June 12, 2021. REUTERS/Ueslei Marcelino

An indigenous woman takes part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Ueslei Marcelino

An indigenous woman takes part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Ueslei Marcelino

Indigenous Brazilians take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Adriano Machado

Indigenous Brazilians take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Adriano Machado

Indigenous Brazilians from different ethnic groups take part in a protest for land demarcation and against President Jair Bolsonaro's government, in Brasilia, Brazil June 8, 2021. REUTERS/Adriano Machado