Ye Chaoying (L), the chief designer of the uniforms for the Chinese pavilion at the 2010 Shanghai World Expo, speaks during the unveiling ceremony in Shanghai, east China, April 15, 2010. The uniforms for the receptionists and staff members of the Chinese pavilion were unveiled on Thursday. The uniforms, which are environmentally friendly and high-tech, are designed under the theme of "Better Cities, Better Life". [Xinhua]