Discuss as:

Rio+20 attracts indigenous people from around world

Ricardo Moraes / Reuters

Indigenous children from the Paresi tribe talk at Kari-Oca village in Rio de Janeiro on June 13.

Felipe Dana / AP

Guarani Iandewa tribal women dance at the Kari-Oca village, where indigenous people from around the world are staying during the United Nations Conference on Sustainable Development in Rio de Janeiro.

Felipe Dana / AP

Caiapo tribe members sit on a curb at the Kari-Oca village, where indigenous people from around the world are staying during Rio+20, in Rio de Janeiro.

The United Nations' Rio+20 conference is expected to draw some 50,000 participants including delegates, environmental activists, business leaders and indigenous groups from around the world.

The event, the UN's largest, runs through June 22 in Rio de Janerio, with three final days of high-profile talks among some 130 top leaders from nations around the globe.

Felipe Dana / AP

A boy of the Guarani Kaiowa tribe poses for a photo at the Kari-Oca village.

Sign up for the msnbc.com Photos Newsletter