Head to the Dujiangyan Irrigation System, another UNESCO World Heritage Site, on the third day of your trip. This ancient irrigation system, built over 2,000 years ago, still functions today and is a testament to the engineering skills of the ancient Chinese. Explore the scenic area, walk along the Anlan Suspension Bridge, and enjoy the tranquility of the surrounding nature. In the evening, savor some delicious Sichuan cuisine in Dujiangyan City.