HAVANA, June 23, 2016 (Xinhua) -- Colombian President Juan Manuel Santos (2nd-L) and Timoleon Jimenez (2nd-R), the top leader of the Revolutionary Armed Forces of Colombia (FARC), exchange pacts while United Nations Secretary-General Ban Ki-moon (1st-L) and Cuban President Raul Castro (C) witness in Havana, capital of Cuba, June 23, 2016. The Colombian government and the FARC guerrilla group signed a pact on a definitive bilateral ceasefire, marking a major step towards ending a half-century conflict. Colombia's conflict has killed more than 220,000 people and displaced millions since 1964. UN Secretary-General Ban Ki-moon along with Cuban President Raul Castro witnessed the signing of the agreement. (Xinhua/Liu Bin)
