ANTALYA, TURKEY - NOVEMBER 12: A driver wipes the official cars at the apron before Saudi King Salman bin Abdul Aziz Al Saud arrives at the Antalya International Airport for the upcoming G20 Turkey Leaders Summit on November 12, 2015 in Antalya, Turkey. Antalya, top tourist attraction city in southern Turkey on the coast of the Mediterranean Sea, will host the G20 Turkey Leaders Summit between November 15 and 16. (Photo by Ali Atmaca/Anadolu Agency/Getty Images)