LONDON, ENGLAND - MARCH 01: (L-R) Sheyla Yakarepi Juruna, representative of the Juruna Tribe of the Xingu River, Chief Almir Narayamoga Surui, Leader of the Surui Tribe of the Madeira River Basin of ... more 
LONDON, ENGLAND - MARCH 01: (L-R) Sheyla Yakarepi Juruna, representative of the Juruna Tribe of the Xingu River, Chief Almir Narayamoga Surui, Leader of the Surui Tribe of the Madeira River Basin of Brazil and Bianca Jagger, Founding Patron of the Bianca Jagger Human Rights Foundation and patron of the Amazon Charitable Trust attend photocall to highlight the threat of hyrdo-power schemes in Latin America at the Amnesty International office on March 1, 2011 in London, England. (Photo by Tim Whitby/Getty Images) less 
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Getty Images | Photo By Tim Whitby / Getty Images
Tue, Mar 1, 2011 7:54 AM EST