A glance at the life of Kayapo tribe in Amazon

A Kayapo man undergoes an electrocardiogram in the hospital of the "Expedicionarios da Saude" (Brazilian Health Expeditions), in the Kikretum community in Sao Felix, northern Brazil, April 24, 2011. Twice a year, volunteer doctors build a mobile hospital to provide clinical and surgical treatments for indigenous tribes and residents from different parts of the Amazon rainforest. [Photo/Agencies]