Pope Francis delivers his address to pilgrims and faithful during a vigil prayer and a candle blessing at the Sanctuary of Our Lady of Fatima Friday, May 12, 2017, in Fatima, Portugal. Pope Francis will canonize on Saturday two poor, illiterate shepherd children whose visions of the Virgin Mary 100 years ago marked one of the most important events of the 20th-century Catholic Church. (Nuno Andre Ferreira/Pool Photo via AP)