A view shows a lighting test at the "Sun Valley" at the 2010 World Expo site in Shanghai November 8, 2009. The Shanghai Expo, with the theme of "Better City, Better Life", is scheduled to be held from May 1 to October 31, 2010. Picture taken November 8, 2009. Reuters Pictures 1 week ago

A view shows a lighting test at the "Sun Valley" at the 2010 World Expo site in Shanghai November 8, 2009. The Shanghai Expo, with the theme of "Better City, Better Life", is scheduled to be held from May 1 to October 31, 2010. Picture taken November 8, 2009.