** FILE ** A tourist holds up a Chinese flag as he poses for photos near a Chinese paramilitary policeman on duty in front of former Chinese leader Mao Zedong's portrait on Tiananmen Gate, close to the site of an incident Monday where a car plowed through a crowd before it crashed and burned in Beijing, China, Tuesday, Oct. 29, 2013. (AP Photo/Ng Han Guan)

Photo by: Ng Han Guan

** FILE ** A tourist holds up a Chinese flag as he poses for photos near a Chinese paramilitary policeman on duty in front of former Chinese leader Mao Zedong's portrait on Tiananmen Gate, close to the site of an incident Monday where a car plowed through a crowd before it crashed and burned in Beijing, China, Tuesday, Oct. 29, 2013. (AP Photo/Ng Han Guan)