BEIJING, CHINA - MARCH 13: Chinese Vice President Li Yuanchao (L) invites Saudi Crown Prince Salman bin Abdulaziz (R) 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)