Pope Francis prays in front of a figure representing Our Lady of Fatima during his visit to the Chapel of the Apparitions at the Fatima shrine, in Fatima on May 12, 2017. Two of the three child shepherds who reported apparitions of the Virgin Mary in Fatima, Portugal, one century ago, will be declared saints on May 13, 2017 by Pope Francis. The canonisation of Jacinta and Francisco Marto will take place during the Argentinian pontiff's visit to a Catholic shrine visited by millions of pilgrims every year. / AFP PHOTO / PATRICIA DE MELO MOREIRA (Photo credit should read PATRICIA DE MELO MOREIRA/AFP/Getty Images)
