A Palestinian woman wearing a traditional dress greets stunt rider Rok Bagoros as he wears the Palestinian keffiyeh during a show in the West Bank city of Ramallah September 30, 2016. REUTERS/Mohamad Torokman

A Palestinian woman puts the Palestinian keffiyeh on stunt rider Rok Bagoros during a show in the West Bank city of Ramallah September 30, 2016. REUTERS/Mohamad Torokman

Saudi Arabia's Prince Abdullah Bin Faisal (C) listens as U.S. President Barack Obama speaks during the 71st United Nations General Assembly in Manhattan, New York, U.S. September 20, 2016. REUTERS/Lucas Jackson 

Crown Prince Muhammad bin Nayef of Saudi Arabia confers with a member of his delegation during a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Crown Prince Muhammad bin Nayef of Saudi Arabia confers with a member of his delegation during a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Crown Prince Muhammad bin Nayef of Saudi Arabia attends a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Crown Prince Muhammad bin Nayef of Saudi Arabia speaks during a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Crown Prince Muhammad bin Nayef of Saudi Arabia adjusts his head cover during a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Crown Prince Muhammad bin Nayef of Saudi Arabia confers with a member of his delegation during a high-level meeting on addressing large movements of refugees and migrants at the United Nations General Assembly in Manhattan, New York, U.S., September 19, 2016. REUTERS/Lucas Jackson

Saudi Energy Minister Khalid al-Falih (L) shakes hands with Japan's Trade and Industry minister Hiroshige Seko as Saudi Deputy Crown Prince Mohammad bin Salman (behind Falih) and Prime Minister Shinzo Abe (behind Seko) look on, during a ceremony exchanging documents on both countries' diplomatic agreements at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Saudi Deputy Crown Prince Mohammad bin Salman (3rd L), minister of trade and investment Majed Al-Kassabi (2nd L), Japan's Prime Minister Shinzo Abe (3rd R), Trade and Industry minister Hiroshige Seko (2nd R) and other ministers attend a ceremony exchanging documents on both countries' diplomatic agreements at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Saudi Deputy Crown Prince Mohammad bin Salman (2nd L) accompanied by Japan's Prime Minister Shinzo Abe (L) reviews a guard of honor prior to their meeting at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Shizuo Kambayashi/Pool 

Saudi Deputy Crown Prince Mohammad bin Salman (L) meets with Japan's Prime Minister Shinzo Abe at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Shizuo Kambayashi/Pool 

Saudi Deputy Crown Prince Mohammad bin Salman (L) meets with Japan's Prime Minister Shinzo Abe at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Saudi Deputy Crown Prince Mohammad bin Salman is escorted by Japan's Prime Minister Shinzo Abe (front) before their meeting at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Saudi Deputy Crown Prince Mohammad bin Salman (L) meets with Japan's Prime Minister Shinzo Abe at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Saudi Deputy Crown Prince Mohammad bin Salman (L) meets with Japan's Prime Minister Shinzo Abe at Abe's official residence in Tokyo, Japan September 1, 2016. REUTERS/Issei Kato 

Bahrain's Foreign Minister Sheikh Khalid bin Ahmed Al Khalifa speaks during a news conference in Manama, Bahrain, August 29, 2016. REUTERS/Hamad I Mohammed 

Residents visit the graves of their relatives at the Wadi al-Salam cemetery, Arabic for "Peace Valley", in Najaf, south of Baghdad, Iraq July 27, 2016. REUTERS/Alaa Al-Marjani SEARCH "IRAQ CEMETERY" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES.

Saudi Labour Minister Mufrej al-Haqbani (R) and Philippine Secretary of Labour Silvestre Bello speak to the media in Riyadh, Saudi Arabia August 17, 2016. Picture taken August 17, 2016. REUTERS/Faisal Al Nasser TPX IMAGES OF THE DAY

Saudi Labour Minister Mufrej al-Haqbani (R) and Philippine Secretary of Labour Silvestre Bello speak to the media in Riyadh, Saudi Arabia August 17, 2016. Picture taken August 17, 2016. REUTERS/Faisal Al Nasser

Saudi Labour Minister Mufrej al-Haqbani (R) and Philippine Secretary of Labour Silvestre Bello speak to the media in Riyadh, Saudi Arabia August 17, 2016. Picture taken August 17, 2016. REUTERS/Faisal Al Nasser

A saudi man enjoys a slide with his son in the new Snow City at Al Othaim Mall in Riyadh, Saudi Arabia July 26, 2016. Picture taken July 26, 2016. REUTERS/Faisal Al Nasser

A Saudi couple walks in the new Snow City at Al Othaim Mall in Riyadh, Saudi Arabia July 26, 2016. Picture taken July 26, 2016. REUTERS/Faisal Al Nasser

A saudi man enjoys a slide with his son in the new Snow City at Al Othaim Mall in Riyadh, Saudi Arabia July 26, 2016. Picture taken July 26, 2016. REUTERS/Faisal Al Nasser

A Saudi couple walks in the new Snow City at Al Othaim Mall in Riyadh, Saudi Arabia July 26, 2016. Picture taken July 26, 2016. REUTERS/Faisal Al Nasser

Saudi Deputy Crown Prince Mohammed bin Salman arrives for the start of the "Meeting of the Ministers of the Global Coalition to Counter ISIL: Joint Plenary Session" at the State Department in Washington, U.S., July 21, 2016. REUTERS/Joshua Roberts 

Russian Foreign Minister Sergei Lavrov listens to his Saudi counterpart Adel al-Jubeir (R) during their meeting in Moscow, Russia, May 26, 2016. REUTERS/Maxim Zmeyev 

Russian Foreign Minister Sergei Lavrov and his Saudi counterpart Adel al-Jubeir talk during a family photo in Moscow, Russia, May 26, 2016. REUTERS/Maxim Zmeyev 

Saudi Foreign Minister Adel al-Jubeir (L) talks next to U.S. Secretary of State John Kerry during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

U.S. Secretary of State John Kerry (R) gestures next to Saudi Foreign Minister Adel al-Jubeir during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

Saudi Foreign Minister Adel al-Jubeir (L) talks next to U.S. Secretary of State John Kerry during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

U.S. Secretary of State John Kerry (R) gestures next to Saudi Foreign Minister Adel al-Jubeir during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

Saudi Foreign Minister Adel al-Jubeir talks to the media during a meeting on Syria with U.S. Secretary of State John Kerry in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

Saudi Foreign Minister Adel al-Jubeir talks to the media during a meeting on Syria with U.S. Secretary of State John Kerry in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

U.S. Secretary of State John Kerry (R) gestures next to Saudi Foreign Minister Adel al-Jubeir during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

Saudi Foreign Minister Adel al-Jubeir (L) shakes hand with U.S. Secretary of State John Kerry during a meeting on Syria in Geneva, Switzerland May 2, 2016. REUTERS/Denis Balibouse 

A man walks past the damaged house of Palestinian assailant Ahmad Zakarneh after it was partially demolished by Israeli forces in the West Bank town of Qabatya near Jenin April 4, 2016. REUTERS/Abed Omar Qusini 

Formula One - Bahrain F1 Grand Prix - Sakhir, Bahrain - 03/04/16 - Mercedes F1 driver Lewis Hamilton of Britain (R) wearing a traditional Bahraini outfit "Thobe and Ghutra" arrives with Sheikh Abdulla bin Isa Al Khalifa, president of Bahrain Motor Federation. REUTERS/Hamad I Mohammed 

Formula One - Bahrain F1 Grand Prix - Sakhir, Bahrain - 03/04/16 - Mercedes F1 driver Lewis Hamilton of Britain (R) wearing a traditional Bahraini outfit "Thobe and Ghutra" arrives with Sheikh Abdulla bin Isa Al Khalifa, president of Bahrain Motor Federation. REUTERS/Hamad I Mohammed 

Formula One - Bahrain F1 Grand Prix - Sakhir, Bahrain - 03/04/16 - Mercedes F1 driver Lewis Hamilton of Britain (R) wearing a traditional Bahraini outfit "Thobe and Ghutra" arrives with Sheikh Abdulla bin Isa Al Khalifa, president of Bahrain Motor Federation. REUTERS/Hamad I Mohammed TPX IMAGES OF THE DAY

Secretary General of the Organisation of Islamic Cooperation (OIC) Iyad Madani (R) makes closing remarks next to Indonesian President Joko Widodo at the end of the 5th Extraordinary OIC Summit on Palestinian issues in Jakarta, Indonesia March 7, 2016. REUTERS/Garry Lotulung 

Palestinian President Mahmoud Abbas (R) and Saudi Arabia's Foreign Minister Adel al-Jubeir chat while riding an escalator at the 5th Extraordinary Organisation of Islamic Cooperation (OIC) Summit on Palestinian issues in Jakarta, Indonesia March 7, 2016. REUTERS/Darren Whiteside 

Jacir Eid (R), Hussein Suweilheen (C), and Hassan Maraaiah, cast members of the Jordanian movie "Theeb" (Wolf), pose for a photo in Wadi Rum, Jordan, January 22, 2016. The three Jordanians, first-time actors who are from the same Bedouin clan, are hoping that their film Theeb, which was shot in Wadi Rum where they live, will win the Oscar for best foreign language film at next month's Academy Awards. REUTERS/Muhammad Hamed 

U.S. Secretary of State John Kerry speaks during his meeting with Saudi Arabia's Foreign Minister Adel al-Jubeir in London January 14, 2016. REUTERS/Kevin Lamarque 

U.S. Secretary of State John Kerry speaks during his meeting with Saudi Arabia's Foreign Minister Adel al-Jubeir in London January 14, 2016. REUTERS/Kevin Lamarque 

U.S. Secretary of State John Kerry speaks during his meeting with Saudi Arabia's Foreign Minister Adel al-Jubeir in London January 14, 2016. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Saudi women and men, members of the Saudi Shura Council, attend a session chaired by Saudi Arabia's King Salman, in Riyadh December 23, 2015. REUTERS/Faisal Al Nasser 

Saudi women and men, members of the Saudi Shura Council, attend a session chaired by Saudi Arabia's King Salman, in Riyadh December 23, 2015. REUTERS/Faisal Al Nasser 

A Saudi man looks on as he sells jewellery at a store in Riyadh, Saudi Arabia December 21, 2015. Picture taken December 21, 2015. REUTERS/Faisal Al Nasser 

A Saudi man is pictured through glass as he sells jewellery at a store in Riyadh, Saudi Arabia December 21, 2015. Picture taken December 21, 2015. REUTERS/Faisal Al Nasser 

A Saudi man walks at his jewellery store in Riyadh, Saudi Arabia December 21, 2015. Picture taken December 21, 2015. REUTERS/Faisal Al Nasser 

A Saudi man looks on as he sells jewellery at a store in Riyadh, Saudi Arabia December 21, 2015. Picture taken December 21, 2015. REUTERS/Faisal Al Nasser 

Canadian actor Jacob Tremblay (C) poses during the opening of the 12th Dubai international film festival, in Dubai December 9, 2015. REUTERS/Ashraf Mohammad 

Sheikh Mansour bin Mohammed al-Maktoum (R) honors Indian actor Naseeruddin Shah during the opening of the 12th Dubai international film festival, in Dubai December 9, 2015. REUTERS/Ashraf Mohammad 

Sheikh Mansour bin Mohammed al-Maktoum (R) honors Egyptian actor Ezzat Alayli during the opening of the 12th Dubai international film festival, in Dubai December 9, 2015. REUTERS/Ashraf Mohammad 

French actress Catherine Deneuve (L) receives the Lifetime Achievement Award from Sheikh Mansour bin Mohammed al-Maktoum during the opening of the 12th Dubai international film festival, in Dubai December 9, 2015. REUTERS/Ashraf Mohammad 

U.S. actor Richard Dreyfuss (L) poses during the opening of the 12th Dubai international film festival, in Dubai December 9, 2015. REUTERS/Ashraf Mohammad 

A Saudi man watches a car, submerged in flodd waters, following heavy rain in Riyadh, Saudi Arabia November 25, 2015. REUTERS/Faisal Al Nasser 

A Saudi man uses his mobile phone near a car submerged in flood waters following heavy rain, in Riyadh, Saudi Arabia November 25, 2015. REUTERS/Faisal Al Nasser TPX IMAGES OF THE DAY