Qatar's Emir Sheikh Tamim bin Hamad al-Thani attends the 4th Summit of Arab States and South American countries in the Saudi capital Riyadh, on November 11, 2015. The summit aims to strengthen ties between the geographically distant but economically powerful regions. AFP PHOTO / FAYEZ NURELDINE / AFP / FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
