Pope Francis (R) pats a boy on the head as he plants a tree as a symbol of peace in the Fundadores Park in Villavicencio, Colombia, on September 8, 2017. On the third day of his trip to the country, Pope Francis held an open air mass ahead of a separate "prayer for national reconciliation" for victims and former guerrilla and state combatants. / AFP PHOTO / RODRIGO BUENDIA