BEIJING, CHINA - SEPTEMBER 14: Chinese President Xi Jinping (not pictured) accompanies Mauritania's President Mohamed Ould Abdel Aziz to view an honour guard during a welcoming ceremony outside the Great Hall of the People on September 14, 2015 in Beijing, China. Invited by President Xi Jinping, Mauritanian President Aziz is on a state visit to China from September 9 to 16. (Photo by Lintao Zhang/Getty Images)
