Saudi King Salman bin Abdulaziz (C) walks surrounded by security officers to receive Bahraini King Hamad bin Isa al-Khalifa (unseen) upon the latter's arrival in Riyadh to attend the Gulf Cooperation Council (GCC) summit on May 5, 2015. AFP PHOTO / FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
