Sheikh Mohammed bin Zayed al-Nahyan (L), Crown Prince of Abu Dhabi and UAE's deputy commander-in-chief of the armed forces shakes hands of Chinese President Xi Jinping (R) at the Great Hall of the People in Beijing on December 14, 2015.  AFP PHOTO / POOL / FRED DUFOUR / AFP / POOL / FRED DUFOUR        (Photo credit should read FRED DUFOUR/AFP/Getty Images)