Humberto de la Calle, chief of the delegation of the Colombian Government in the peace talks with the Armed Revolutionary Forces of Colombia (FARC), speaks at a press conference at Casa de marino in Bogota, capital of Colombia, on Aug. 18, 2015. The Government's chief negotiator Humberto de la Calle tried to explain the proposal that launched two weeks ago by the Colombian President Juan Manuel Santos, according to local press information. (Xinhua/Nelson Cardenas)
