MEDELLIN, COLOMBIA - SEPTEMBER 10: (----EDITORIAL USE ONLY ??" MANDATORY CREDIT - " COLOMBIAN PRESIDENCY PRESS OFFICE - JUAN DAVID TENA / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Pope Francis salutes people ahead of a mass at Enrique Olaya Herrera airport in Medellin, Colombia, September 10, 2017. Colombian Presidency Press Office - Juan David Tena / Anadolu Agency