Photo taken on July 4, 2009 shows the China Pavilion under construction for the Shanghai 2010 World Expo in Shanghai, east China. The Shanghai 2010 World Expo is to open on May 1, 2010. (Xinhua/Guo Changyao)
Photo taken on July 4, 2009 shows the Performing Arts Center under construction for the Shanghai 2010 World Expo in Shanghai, east China. The Shanghai 2010 World Expo is to open on May 1, 2010. (Xinhua/Guo Changyao)
Photo taken on July 4, 2009 shows the Sunshine Valley under construction for the Shanghai 2010 World Expo in Shanghai, east China. The Shanghai 2010 World Expo is to open on May 1, 2010. (Xinhua/Guo Changyao)
