HAVANA, June 23, 2016 (Xinhua) -- Image taken on June 23, 2016 provided by the Colombian Presidency of Colombian President, Juan Manuel Santos (R, center) shaking hands with the Colombian ambassador to Cuba Gustavo Bell (L, center), upon his arrival to the Jose Marti International Airport, prior to the signing ceremony of a historic ceasefire agreement between the Colombian government and the Revolutionary Armed Forces of Colombia (FARC), in Havana, capital of Cuba, on June 23, 2016. (Xinhua/Colombian Presidency)
