BEIJING, CHINA - MARCH 13:  Chinese Vice President Li Yuanchao (R) invites Saudi Crown Prince Salman bin Abdulaziz (L) to view an honour guard during a welcoming ceremony inside the Great Hall of the People on March 13, 2014 in Beijing, China. Saudi Crown Prince Salman bin Abdulaziz will pay a four-day state visit to China from March 13 to 16.  (Photo by Lintao Zhang/Getty Images)