This photo taken on August 9 shows a fossilized dinosaur track discovered at Huanglonggou ditch, Dashan community, Huanghua town, Zhucheng city in East China's Shandong province. A rare large-scale fossilized dinosaur track site has been excavated in that area. Archaeologists estimate the tracks were left during middle Cretaceous times more than 100 million years ago. The excavation site occupies an area of 2,600 square meters, with more than 3,000 fossilized tracks of six tpyes of dinosaurs such as Ornithopods, Theropodas and Sauropodss. [Photo/Xinhua]