Today, there are approximately 100 tribes in the Amazon rainforest that have not interacted with the modern world. A hundred years ago, there were many more. In this co-production with Retro Report, Scott Wallace, author of The Unconquered, talks about the ever-shrinking world for the indigenous people who have chosen to live with limited or no contact with the outside world.
Learn more at pbs.org/americanexperience.
