Christian worshippers queue to attend a mass celebration by Pope Francis on April 29, 2017. (AFP)
Christian worshippers queue to attend a mass celebration by Pope Francis on April 29, 2017. (Reuters)
Pope Francis gestures during a mass in Cairo, Egypt April 29, 2017. (Reuters)
Pope Francis arrives to lead a mass in Cairo, Egypt April 29, 2017. (Reuters)
This handout picture released by the Vatican press office shows Pope Francis at the Cairo's nunciature on April 29, 2017 as part of a two-day visit in Egypt. (AFP)
This handout picture released by the Vatican press office shows Pope Francis meeting children at the Cairo's nunciature on April 29, 2017 as part of a two-day visit in Egypt. (AFP)
This handout picture released by the Vatican press office shows Pope Francis meeting children at the Cairo's nunciature on April 29, 2017 as part of a two-day visit in Egypt. (AFP)
Faithful cheer as Pope Francis celebrates Mass for Egypt's Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017. (AP)
Faithful sit in the stands of the Air Defense Stadium where Pope Francis will celebrate Mass for Egypt's Catholic community, in Cairo, Saturday, April 29, 2017. (AP)
An helicopter flies over the Air Defense Stadium where Pope Francis will celebrate Mass for Egypt's Catholic community, in Cairo, Saturday, April 29, 2017. (AP)
Pope Francis is surrounded by security as he rides an uncovered Popemobile before the start of a mass on April 29, 2017 at a stadium in Cairo. (AFP)