AMMAN, JORDAN - JUNE 02: In this handout image provided by Royal Hashemite Court,  His Majesty King Abdullah, the Supreme Commander of the Jordan Armed Forces-Arab Army (JAF) and Queen Rania of Jordan with Crown Prince Hussein (L) and Princess Salma (R) attend to celebrate the Great Arab Revolt centennial at Al Rayah parade ground in the Royal Hashemite Court on June 02, 2016 in Amman, Jordan. (Photo by Royal Hashemite Court vis Getty Images)