Pope Francis kisses the relic handed to him by Costa Rican Floribeth Mora, who claims she was cured of a serious brain condition by a miracle attributed to late Pope John Paul II, and her husband Edwin Arce during the canonisation mass of Popes John XXIII and John Paul II on St Peter's at the Vatican on April 27, 2014. Catholics from around the world gathered in Rome on Sunday for a mass presided by Pope Francis to confer sainthood on John Paul II and John XXIII -- two influential popes who helped shape 20th century history. AFP PHOTO / VINCENZO PINTO