Photographer Page

Gary Calton

Young Xikxuvo Vakwë watches as a boat arrives on the Rio Itui in the Javari Valley. Collisions with outsiders have been catastrophic for the Amazon's isolated peoples—a fate Phillips and Pereira were working to prevent.

Indigenous rights advocate Bruno Pereira (with notebook) conducts research in the Javari Valley, home to the largest concentration of uncontacted tribes in the world.

Ice cream sundaes like the one on the right are filled with fruit and vanilla ice cream and known as Knickerbocker Glories.