Wizyta papieża Franciszka w Egipcie

Pope Francis is driven through the crowd in St. Peter's Square at the Vatican, Sunday April 30, 2017. (AP Photo/Alessandra Tarantino), APTOPIX

Pope Francis is driven through the crowd in St. Peter's Square at the Vatican, Sunday April 30, 2017. (AP Photo/Alessandra Tarantino), APTOPIX

Pope Francis holds his pastoral staff as he celebrates Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April...

Pope Francis delivers his speech during a Mass he celebrated for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April...

Pope Francis looks over the river Nile from a terrace, during a meeting with the clergy and religious, in Cairo, Saturday, April 29, 2017. Pope Franci...

Pope Francis delivers his speech during a meeting with the clergy and religious, in Cairo, Saturday, April 29, 2017. Pope Francis came to Egypt on Fri...

Pope Francis celebrates Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017. Pope Francis came to...

Pope Francis arrives to celebrate Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017. Pope Franci...

Pope Francis arrives to celebrate Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017. Pope Franci...

Pope Francis celebrates a Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017. Pope Francis came t...

Pope Francis waves as he arrives to celebrate Mass for Egypt's tiny Catholic community, at the Air Defense Stadium in Cairo, Saturday, April 29, 2017....

Priests lower their heads to shelter from the heat as they attend a Mass celebrated by Pope Francis for Egypt's tiny Catholic community, at the Air De...

Pope Francis talks to journalists during a press conference he held on his return flight from Cairo to Rome, Saturday, April 29, 2017. Pope Francis tr...

This handout picture released by the Vatican press office shows Pope Francis greeting children during a mass at the stadium of Cairo, on April 29, 201...

This handout picture released by the Vatican press office shows Pope Francis (C) and Coptic Patriarch of Alexandria, Ibrahim Isaac Sidrak (R) during a...

Pope Francis celebrates a mass on April 29, 2017 at a stadium in the Egyptian capital Cairo. Pope Francis is set to lead a mass for Egypt's small Cath...

Pope Francis is surrounded by security while waving from above an uncovered Popemobile before the start of a mass on April 29, 2017 at a stadium in Ca...

This handout picture released by the Vatican press office shows Pope Francis (C) and Coptic Patriarch of Alexandria, Ibrahim Isaac Sidrak (C-right) du...

This handout picture released by the Vatican press office shows Pope Francis at the Coptic-Catholic Patriarchal Seminary of Maadi after a meeting with...

Pope Francis looks on as he visits the Coptic Catholic College of Theology and Humanities in the southern Cairo suburb of Maadi, on April 29, 2017. Po...

Pope Francis arrives at the Coptic Catholic College of Theology and Humanities in the southern Cairo suburb of Maadi, on April 29, 2017. Pope Francis...

Pope Francis speaks to the press from aboard his plane on April 29, 2017, following his trip to Egypt. / AFP PHOTO / POOL / ANDREW MEDICHINI

Pope Francis speaks to the press from aboard his plane on April 29, 2017, following his trip to Egypt. / AFP PHOTO / POOL / ANDREW MEDICHINI

Pope Francis speaks to the press from aboard his plane on April 29, 2017, following his trip to Egypt. / AFP PHOTO / POOL / ANDREW MEDICHINI

Pope Francis is flanked by Sheikh Ahmed el-Tayeb, Al-Azhar's grand imam, at Cairo's Al Azhar university, Friday, April 28, 2017. Francis is in Egypt f...

Pope Francis delivers his speech at an International peace conference, in Cairo, Egypt, Friday, April 28, 2017. Pope Francis is on a two-day pilgrimag...

Pope Francis speaks from aboard his plane bound to Cairo from Rome, on April 28, 2017. / AFP PHOTO / Andreas SOLARO

Mandatory Credit: Photo by APAImages/REX/Shutterstock (8771190a) Egyptian President Abdel Fattah al-Sisi greets Pope Francis upon the latter's arriva...

Mandatory Credit: Photo by APAImages/REX/Shutterstock (8771190i) Egyptian President Abdel Fattah al-Sisi shakes hands with Pope Francis upon the latt...

Pope Francis arrives at Cairo's airport, Egypt, Friday, April 28, 2017. Francis is in Egypt for a two-day trip aimed at presenting a united Christian-...

Pope Francis, in the car, is escorted by security forces as he leaves Cairo's airport, Egypt, Friday, April 28, 2017. Francis is in Egypt for a two-da...

Pope Francis waves from the window of his car as he leaves Cairo's airport, Egypt, Friday, April 28, 2017. Francis is in Egypt for a two-day trip aime...

Pope Francis, in the car, is escorted by security forces as he leaves Cairo's airport, Egypt, Friday, April 28, 2017. Francis is in Egypt for a two-da...

Pope Francis greets journalists on an airplane on his way to Egypt, Friday, April 28, 2017. Francis is in Egypt for a two-day trip aimed at presenting...

Pope Francis, left, stands by Pope Tawadros II, spiritual leader of Egypt's Orthodox Christians, at Cairo's St. Mark's Cathedral, Friday, April 28, 20...

Pope Francis, lights a candle as Pope Tawadros II, spiritual leader of Egypt's Orthodox Christians, stands behind him, at Cairo's St. Mark's Cathedral...

Egyptian army and police vehicles stand guard outside Saint Mark's Coptic Orthodox Cathedral in central Cairo, a few hours before Pope Francis' visit...

An Egyptian army vehicle stands guard outside Saint Mark's Coptic Orthodox Cathedral in central Cairo, a few hours before Pope Francis' visit commence...

An Egyptian army vehicle stands guard outside Saint Mark's Coptic Orthodox Cathedral in central Cairo, a few hours before Pope Francis' visit commence...

Pope Francis waves from the gateway as he is welcomed by Alitalia's hostesses before to board a plane to Egypt, on April 28, 2017 at Rome's Fiumicino...

Pope Francis salutes honor guards before to board a plane to Egypt, on April 28, 2017 at Rome's Fiumicino airport. Pope Francis heads for a two-day vi...

Pope Francis salutes a honor guard before to board a plane to Egypt, on April 28, 2017 at Rome's Fiumicino airport. Pope Francis heads for a two-day v...

Pope Francis waves to the press as he is welcomed by Alitalia's personnel prior his flight to Egypt, on April 28, 2017 at Rome's Fiumicino airport. Po...

Pope Francis is welcomed by Alitalia's personnel prior his flight to Egypt, on April 28, 2017 at Rome's Fiumicino airport. Pope Francis heads for a tw...

Pope Francis speaks from aboard his plane bound to Cairo from Rome, on April 28, 2017. / AFP PHOTO / Andreas SOLARO

Pope Francis speaks with journalists aboard his plane bound to Cairo from Rome, on April 28, 2017. / AFP PHOTO / Andreas SOLARO

Pope Francis disembarks from his plane upon his arrival at Cairo's International Airport on April 28, 2017, during an official visit to Egypt. Pope Fr...

Pope Francis (C-R) is greeted by Muslim clerics during a visit at the prestigious Sunni institution Al-Azhar in Cairo on April 28, 2017, during an off...

A handout picture released by the Egyptian Presidency on April 28, 2017 shows Egyptian President Abdel Fattah al-Sisi (R) greeting Pope Francis upon t...

A handout picture released by the Egyptian Presidency on April 28, 2017 shows Egyptian President Abdel Fattah al-Sisi (R) shaking hands with Pope Fran...