"The Sirionó are an indigenous people of Bolivia. They primarily live in the forested northern and eastern parts of Beni and northwestern Santa Cruz Departments of Bolivia. They live between the San Martín and Negro Rivers and the Machado River." - (Wikipedia (en) 07.08.2018)
"The Sirionó are an indigenous people of Bolivia. They primarily live in the forested northern and eastern parts of Beni and northwestern Santa Cruz departments of Bolivia. They live between the San Martín, Negro Rivers, and the Machado River." - (Wikipedia (en) 10.08.2021)
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