Indigenous people arrive at a meeting by bus during the Rio 20 United Nations Conference on Sustainable Development summit in Rio de Janeiro June 21, 2012. REUTERS/Sergio Moraes (BRAZIL - Tags: ENVIRONMENT CIVIL UNREST POLITICS TPX IMAGES OF THE DAY)
Indigenous people arrive at a meeting by bus during the Rio 20 United Nations Conference on Sustainable Development summit in Rio de Janeiro June 21, 2012. REUTERS/Sergio Moraes (BRAZIL - Tags: ENVIRONMENT CIVIL UNREST POLITICS TPX IMAGES OF THE DAY)
