In 256 BC, Li Bing and his son designed the Min Jiang River control system and organized thousands of local people to construct the project, this is the name origin of Du Jiang Yan Irrigation System. So far, it is the only retained, with no water dam as its characteristics of grand water conservancy project. Nearby Du Jiang Yan, the scenery is beautiful with many cultural relics, basically have The Dragon-Taming Temple, the Two Kings ‘Temple, Suspension Bridge, Jade Lei shut, Li Dui Park Jade Le