Tourists visit the World Expo Park in Shanghai, east China, on the night of July 2, 2010. More and more people prefer the night hiking in the World Expo Park to the daytime in order to avoid heat and crowded visitors. (Xinhua/Yan Yan)
Photo taken on July 2, 2010 shows visitors stroll in the illuminating World Expo Park in Shanghai, east China. More and more people prefer the night hiking in the World Expo Park to the daytime in order to avoid heat and crowded visitors. (Xinhua/Yan Yan)
Tourists pass by the Sun Valley at the World Expo Park in Shanghai, east China, on the night of July 2, 2010. More and more people prefer the night hiking in the World Expo Park to the daytime in order to avoid heat and crowded visitors. (Xinhua/Yan Yan)
A tourist takes photos at the World Expo Park in Shanghai, east China, on the night of July 2, 2010. More and more people prefer the night hiking in the World Expo Park to the daytime in order to avoid heat and crowded visitors. (Xinhua/Yan Yan)
A tourist visits Makkah Case Pavilion at the World Expo Park in Shanghai, east China, on the night of July 1, 2010. More and more people prefer the night hiking in the World Expo Park to the daytime in order to avoid heat and crowded visitors. (Xinhua/Yan Yan)
