Description
Colombia's leftist presidential candidate Gustavo Petro holds his campaign's closing rally in the center of Bogota next to the mayor's office he occupied between 2012 and 2015, with his vice-presidential candidate, Afro-American environmentalist Francia Marquez, accompanying him on stage. Petro, who leads in opinion polls in Colombia's presidential race, says he "will overthrow the corrupt regime" and "change history" if he is elected. IMAGES AND SOUNDBITES