The central brilliant idea of the project is the annual silt removal and maintenance plan devised by Li Bing that ensures the projects long-term usefulness. The actual structure of the project includes a dyke that divides the Min River into inner and outer flows. The inner flow is then redirected to irrigate local farm land. One interesting thing about the irrigation system is the that project is ongoing and has expanded to more than three times its original irrigated area of 1 million hectares.

How to get there: Buses to Dujiangyan run from Chengdu's Ximen bus station every morning from 7am to 10am. Also buses are available from the Chengdu north bus station leaving every hour until 5:30pm. Returning to Chengdu, there are minibuses leaving from along Taiping Jie near the Dujiangyan Bus Station until approximately 8pm.