Performers dance at the World Expo Park in Shanghai, east China, Sept. 1, 2010. As the seventh typhoon Kompasu moves near, heavy rain is predicted to hit Shanghai Wednesday. The World Expo Park has take some protective measures in case of any possible damage caused by the typhoon. (Xinhua/Lin Yiguang)

A performer is ready to dance at the World Expo Park in Shanghai, east China, Sept. 1, 2010. As the seventh typhoon Kompasu moves near, heavy rain is predicted to hit Shanghai Wednesday. The World Expo Park has take some protective measures in case of any possible damage caused by the typhoon. (Xinhua/Lin Yiguang)