Egypt's President Abdel Fattah al-Sisi (L) stands next to Sheikh Mohammad bin Rashed al-Maktoum (C), who is also vice president and prime minister of the United Arab Emirates, and Sheikh Mohammed bin Zayed al-Nahyan (R), Crown Prince of Abu Dhabi and the UAE's deputy commander-in-chief of the armed forces, during the opening of the World Future Energy Summit at the National Exhibition Center (ADNEC) in the Emirati capital Abu Dhabi on January 19, 2015. AFP PHOTO / KARIM SAHIB (Photo credit should read KARIM SAHIB/AFP/Getty Images)