Indian rights activists, South American governments are challenged by recent encounters to rethink their ‘no contact’ policies.
Members of a previously isolated tribe called the Txapanawa approach Brazilian government officials on the bank of the Envira River in the village of Simpatia.
On the Xinane River in Brazil near Simpatia, about 30 Indians from Peru emerged last year, describing the bloodshed they suffered at the hands of intruders.
Members of an uncontacted tribe scramble to defend their settlement near the Xinane River in Brazil near the border with Peru as a plane flies over.
You can read more here: National Geographic