A relic is displayed during an open air mass during which Pope Francis will beatify Colombian priest Petro Maria Ramirez and Bishop Jesus Jaramillo, both murdered by guerrilla groups, in Villavicencio, Colombia, on September 8, 2017. Pope Francis urged Colombians to avoid seeking "vengeance" for the sufferings of their country's half-century civil conflict as they work towards a lasting peace. / AFP PHOTO / Alberto PIZZOLI