Indigenous Brazilians use rituals to protest against land threats

Hundreds of indigenous Brazilians are setting up camp in the nation's capital for a week of speeches, protests and celebrations as they lobby the government to protect their rights.( Photo: AP)

In this April 25, 2018 photo, a Pataxo indigenous man smokes a traditional pipe during a protest against the government's decision to not recognize the demarcation of indigenous lands in Raposa Serra do Sol, Roraima state, at a protest in Brasilia, Brazil. About 2,500 indigenous people from different tribes are taking part in the Indigenous National Mobilization (MNI) week - a mobilization which seeks to tackle territorial rights' negotiations with the government. (Photo:AP)

Brazilian indigenous men perform a ritual dance during a protest against the government's decision not to recognize the land demarcation of indigenous people living in Raposa Serra do Sol, Roraima State, in Brasilia, on April 25, 2018. Several members of Brazil's indigenous groups travel to Brasilia to voice their concerns in the halls of power, every April. (Photo: AFP)

Brazilian indigenous people shout slogans during a protest against the government's decision not to recognize the land demarcation of indigenous people living in Raposa Serra do Sol, Roraima State, in Brasilia, on April 25, 2018. Advocacy groups say this is a continuing and unprecedented step backwards of indigenous rights in the country. (Photo: AFP)

Brazilian indigenous men perform a ritual dance during a protest against the government's decision not to recognize the land demarcation of indigenous people living in Raposa Serra do Sol, Roraima State, in Brasilia, on April 25, 2018. Brazil is home to close to 900,000 indigenous people of almost 200 tribes. (Photo: AFP)

Brazilian indigenous men perform a ritual dance during a protest against the government's decision not to recognize the land demarcation of indigenous people living in Raposa Serra do Sol, Roraima State, in Brasilia, on April 25, 2018. They mostly live in the country's nine Amazon states. (Photo: AFP)

A Brazilian indigenous man walks past riot police during a protest against the government's decision not to recognize the land demarcation of indigenous people living in Raposa Serra do Sol, Roraima State, in Brasilia, on April 25, 2018. (Photo: AFP)

Indians participating in the "Free Land" camp make their displeasure known against the decision by the government of Brazil's President Michel Temer not to recognize the demarcation of the lands of the indigenous peoples living in Raposa Serra do Sol in Roraima State, during a protest in Brasilia, Brazil, Wednesday, April 25, 2018.( Photo: AP)