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Pope Francis swings a censer during the Easter Vigil at St Peter's basilica on April 15, 2017 in Vatican. Christians around the world are marking the Holy Week, commemorating the crucifixion of Jesus Christ, leading up to his resurrection on Easter. / AFP PHOTO / Tiziana FABI (Photo credit should read TIZIANA FABI/AFP via Getty Images)

Pope Francis swings a censer during the Easter Vigil at St Peter's basilica on April 15, 2017 in Vatican. Christians around the world are marking the Holy Week, commemorating the crucifixion of Jesus Christ, leading up to his resurrection on Easter. / AFP PHOTO / Tiziana FABI        (Photo credit should read TIZIANA FABI/AFP via Getty Images)

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Pope Francis swings a censer during the Easter Vigil at the St Peter basilica in Vatican. Easter Vigil, also called the Paschal Vigil is a service held in traditional Christian churches as the first official celebration of the Resurrection of Jesus. AFP PHOTO / FILIPPO MONTEFORTE (Photo credit should read FILIPPO MONTEFORTE/AFP via Getty Images)

Pope Francis swings a censer during the Easter Vigil at the St Peter basilica in Vatican. Easter Vigil, also called the Paschal Vigil is a service held in traditional Christian churches as the first official celebration of the Resurrection of Jesus.  AFP PHOTO / FILIPPO MONTEFORTE        (Photo credit should read FILIPPO MONTEFORTE/AFP via Getty Images)