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ABU DHABI, UAE - NOVEMBER 22: (----EDITORIAL USE ONLY MANDATORY CREDIT - "BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Crown Prince and Defense Minister of Saudi Arabia Mohammad bin Salman al-Saud (L) meets Crown Prince of Abu Dhabi Mohammed bin Zayed Al Nahyan (R) in Abu Dhabi, United Arab Emirates on November 22, 2018. (Photo by BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT/Anadolu Agency/Getty Images)

ABU DHABI, UAE - NOVEMBER 22: (----EDITORIAL USE ONLY  MANDATORY CREDIT - "BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Crown Prince and Defense Minister of Saudi Arabia Mohammad bin Salman al-Saud (L) meets Crown Prince of Abu Dhabi Mohammed bin Zayed Al Nahyan (R) in Abu Dhabi, United Arab Emirates on November 22, 2018. (Photo by BANDAR ALGALOUD / SAUDI KINGDOM COUNCIL / HANDOUT/Anadolu Agency/Getty Images)