A spiritual leader (R) of the Huni Kui Indian tribe blows an herbal powder into the nose of a tribal member during a ceremony outside the village of Novo Segredo along the Envira river of Brazil's northwestern Acre state, March 9, 2014. Many indigenous groups, including the Huni Kui, Ashaninka, and Madija, live in villages in the Brazilian rainforest near the border with Peru. (Photo by Lunae Parracho/Reuters)

A military police officer patrols in the Roquette Pinto shantytown, part of the Mare slum complex in Rio de Janeiro, Brazil, Wednesday, April 1, 2015. The Brazilian army has begun to pull out of one of Rio de Janeiro's most violent slums, with police assuming responsibility for security in the area. (Photo by Felipe Dana/AP Photo)

Revellers take part in the 21st Rio LGBT pride parade at Copacabana beach in Rio de Janeiro, Brazil, on December 11, 2016. (Photo by Yasuyoshi Chiba/AFP Photo)

Supporters of Fernando Haddad react to a supporter (in yellow) of Jair Bolsonaro during a runoff election in Rio de Janeiro, Brazil on October 28, 2018. Bolsonaro, a brash far-right congressman who has waxed nostalgic for Brazil's old military dictatorship, won the presidency of Latin America's largest nation Sunday as voters looked past warnings that the former army captain would erode democracy and embraced a chance for radical change after years of turmoil. (Photo by Sergio Moraes/Reuters)

Salvadoran indigenous participate in the International Day of the Indigenous Peoples at Divino Slavador square in San Salvador, El Salvador, 09 August 2016. (Photo by Oscar Rivera/EPA)

Samba dancers perform during the annual Asakusa Samba Carnival in Tokyo, Japan August 27, 2016. Asakusa is a district in Taitō, Tokyo. The neighborhood is famous for its annual Brazilian style carnival. There is a significant Brazilian presence in the local community and the Association of Samba Schools of Asakusa is based there. (Photo by Kim Kyung-Hoon/Reuters)

People dressed in swimsuits participate in the BoogelWoogel alpine carnival at the Rosa Khutor Alpine Resort in Krasnaya Polyana, Sochi, Russia on April 1, 2017. (Photo by Artur Lebedev/TASS)

Revellers take a break during the Carnival 2016 parade in Port-au-Prince, Haiti, February 8, 2016. (Photo by Andres Martinez Casares/Reuters)