Egyptian President Abdel Fattah al-Sisi shakes hands with Abu Dhabi's Crown Prince Sheikh Mohammed bin Zayed al-Nahyan upon his arrival at Cairo International Airport in Cairo, Egypt, August 7, 2018 in this handout picture courtesy of the Egyptian Presidency. The Egyptian Presidency/Handout via REUTERS
Egyptian President Abdel Fattah al-Sisi greets Abu Dhabi's Crown Prince Sheikh Mohammed bin Zayed al-Nahyan upon his arrival at Cairo International Airport in Cairo, Egypt, August 7, 2018 in this handout picture courtesy of the Egyptian Presidency. The Egyptian Presidency/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY
Egyptian President Abdel Fattah al-Sisi shakes hands with Abu Dhabi's Crown Prince Sheikh Mohammed bin Zayed al-Nahyan upon his arrival at Cairo International Airport in Cairo, Egypt, August 7, 2018 in this handout picture courtesy of the Egyptian Presidency. The Egyptian Presidency/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY
Egyptian President Abdel Fattah al-Sisi greets Abu Dhabi's Crown Prince Sheikh Mohammed bin Zayed al-Nahyan upon his arrival at Cairo International Airport in Cairo, Egypt, August 7, 2018 in this handout picture courtesy of the Egyptian Presidency. The Egyptian Presidency/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY
Egyptian President Abdel Fattah al-Sisi walks with Abu Dhabi's Crown Prince Sheikh Mohammed bin Zayed al-Nahyan on his arrival at Cairo's Airport, Egypt, August 7, 2018 in this handout picture courtesy of the Egyptian Presidency. The Egyptian Presidency/Handout via REUTERS
Abu Dhabi Crown Prince meets Egyptian President Sisi in Cairo