Handout picture released by the Mexican Presidency's press office showing, from left to rigth: Peruvian President Ollanta Humala, Chilean President Michelle Bachelet, Mexican President Enrique Pena Nieto and Colombian President Juan Manuel Santos posing for an official picture during the second day of the IX Summit of the Pacific Alliance, in Punta Mita, Nayarit, Mexico on June 20, 2014. AFP PHOTO / PRESIDENCIA RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO / PRESIDENCIA' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS
Foto: El Heraldo
Colombian President Juan Manuel Santos and his wife Maria Clemencia attend the Group C football match between Colombia and Ivory Coast at the Mane Garrincha National Stadium in Brasilia during the 2014 FIFA World Cup on June 19, 2014. AFP PHOTO / ADRIAN DENNIS
Colombian President Juan Manuel Santos (L) and US Vice-President Joe Biden shake hands during a joint press conference following a meeting at the Narino presidential palace in Bogota, on June 18, 2014. The one-day visit of Biden to Colombia, focusses in knowing the progress of the peace negotiations between the government and the FARC guerrillas and the exploratory talks with the country's second largest guerrilla group, the ELN. AFP PHOTO/Guillermo LEGARIA