FARC guerrilla commander Pedro (R) walks with members of the United Nations Observation Mission during thier visit at the Front 34 Alberto Martinez encampment in the Vegaez municipality, Antioquia department, Colombia on January 2, 2017. Colombia's Congress passed a law granting an amnesty to the marxist FARC rebels as part of the country's peace deal, a development the government hailed as "historic." / AFP PHOTO / STR / RAUL ARBOLEDA