RIO DE JANEIRO, BRAZIL - In the extreme Northwest of the Amazon - far, far away from Rio de Janeiro, São Paulo, or Salvador - lies São Gabriel da Cachoeira. Surrounded by the abundant biodiversity of the Amazon Forest, the city is an incomparable multi-ethnical cauldron: many people might not have heard of it, but São Gabriel da Cachoeira is Brazil's most Indigenous city, with around 90% of its inhabitants being Indigenous people.
As a city with residents of 23 Indigenous ethnicities, São Gabriel da Cachoeira has five official languages, a status that no other city in . . .