Tourists look at the scenery on a cable car in the World Expo Park in Shanghai, east China, Aug. 3, 2010. More than 300 thousands tourists came to visit the World Expo Park as the highest temperature exceeded 39 degrees Centigrade in Shanghai Tuesday. [Xinhua]

Tourists looks at the Energy Source at the Germany Pavilion in the World Expo Park in Shanghai, east China, Aug. 3, 2010. More than 300 thousands tourists came to visit the World Expo Park as the highest temperature exceeded 39 degrees Centigrade in Shanghai Tuesday. [Xinhua]