Dongyang, Zhejiang, located in the middle of Zhejiang Province, is a county-level city under the jurisdiction of Zhejiang Province, which is managed by Jinhua City. The city is located at the intersection of Jinyong Expressway and Zhu Yong Expressway in China, so it is also the transportation hub in central Zhejiang. Dongyang has a long history and is a provincial-level historical and cultural city, enjoying the reputation of hometown of education, hometown of architecture, hometown of arts and crafts and famous city of culture, film and television. In addition, it is one of the top 100 counties and cities in China, an excellent tourist city in China and the hometown of dinosaurs in China. The terrain of Zhejiang Province is inclined from southwest to northeast, and the terrain is complex. The mountains form three parallel branches from southwest to northeast, spanning eight water systems, namely Qiantang River, Oujiang River, Lingjiang River, Tiaoxi River, Yongjiang River, Feiyun River, Aojiang River and Caoejiang River, and are composed of plains, hills, basins, mountains and islands.