A young man from an isolated Indigenous tribe who approached a riverine community in Brazil’s Amazon returned voluntarily to his people less than 24 hours later, Brazilian authorities said.

Unforgiving Climate and Terrain The Amazon Rainforest is synonymous with a climate that's harsh and unforgiving. Temperatures often soar, and the air is so humid it feels like you're wearing the weather.

In a rare encounter, a young man from an isolated Indigenous tribe approached a riverine community in Brazil's Amazon, the country's Indigenous affairs agency and local witnesses said Thursday.