Leaders of the Union of South American Nations (UNASUR) (top row, L-R) Bolivia's Foreign Minister David Choquehuanca, Brazil's Vice President Michel Temer, Uruguay's President Jose Mujica, Suriname's President Desi Bouterse, Argentina's Vice President Amado Boudou, Venezuela's Foreign Minister Nicolas Maduro and Ecuador's Foreign Minister Ricardo Patino, (bottom row, L-R) Colombia's President Juan Manuel Santos, UNASUR General Secretary Ali Rodriguez, Peru's President Ollanta Humala, Chile's President Sebastian Pinera and Guyana's President Donald Ramotar pose for a family photo in Lima, November 30, 2012. REUTERS/Mariana Bazo (PERU - Tags: POLITICS)