Wizyta papieża Franciszka w Egipcie

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

A handout picture released by the Egyptian Presidency on April 28, 2017 shows Egyptian President Abdel Fattah al-Sisi (2nd from L) shaking hands with...

Pope Francis (C) is greeted by officials upon his arrival at Cairo's International Airport on April 28, 2017, during an official visit to Egypt. Pope...

Pope Francis (C) walks alongside Muslim clerics at the prestigious Sunni institution Al-Azhar in Cairo on April 28, 2017, during an official visit to...

Pope Francis (R) and Sheikh Ahmed al-Tayeb, the Grand Imam of Al-Azhar, embrace during a visit of the Pope to the prestigious Sunni institution in Cai...

Pope Francis (R) and Sheikh Ahmed al-Tayeb, the Grand Imam of Al-Azhar, embrace during a visit of the Pope to the prestigious Sunni institution in Cai...

Pope Francis delivers a speech during a visit to the prestigious Sunni institution Al-Azhar in the Egyptian capital Cairo on April 28, 2017. Pope Fran...

Pope Francis (C) stands next to Sheikh Ahmed al-Tayeb (R), the Grand Imam of Al-Azhar, during a visit to the prestigious Sunni institution in Cairo on...

Pope Francis delivers a speech during a visit to the prestigious Sunni institution Al-Azhar in the Egyptian capital Cairo on April 28, 2017. Pope Fran...

This handout picture released by the Vatican press office shows Egyptian President Abdel Fattah al-Sisi (R) meeting Pope Francis at the presidential p...

Pope Francis (L) meets with Sheikh Ahmed al-Tayeb, the Grand Imam of Al-Azhar, during a visit to the prestigious Sunni institution in Cairo on April 2...

This handout picture released by the Vatican press office shows Pope Francis (C) welcomed by authorities upon his arrival at Cairo's International Air...

A billboard welcomes Pope Francis, in Cairo, Egypt, Thursday, April 27, 2017. On Friday, Francis is scheduled to begin a two-day pilgrimage to Egypt a...

A billboard welcomes Pope Francis, in Cairo, Egypt, Thursday, April 27, 2017. On Friday, Francis is scheduled to begin a two-day pilgrimage to Egypt a...

A billboard with a picture of Egyptian Coptic Pope Tawadros II, left, welcomes Pope Francis, at St. Mark's Cathedral in Cairo, Egypt, Thursday, April...

Egyptians walk past a welcome banner bearing a portrait of Pope Francis a day ahead of his visit to the capital Cairo, on April 27, 2017. Pope Francis...

Cars drive past welcome banners bearing a portrait of Pope Francis a day ahead of his visit to the capital Cairo, on April 27, 2017. Pope Francis is v...