LONDON, UNITED KINGDOM - MAY 11: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Soldiers dressed as World War I cavalrymen salute King Abdullah II ibn al-Hussein of Jordan (in his role as Colonel in Chief The Light Dragoons) during the 90th annual Combined Cavalry Old Comrades Association Parade in Hyde Park on May 11, 2014 in London, England. (Photo by Max Mumby/Indigo/Getty Images)