- Built in 256 BC, the Dujiangyan Irrigation Projection is the world’s oldest and only damless project. It was built across the Min River to solve the frequent flooding problems in the Chengdu Plain. The irrigation project is still in use today. It still plays an important role in preventing flood, irrigation and providing water sources for the local people in the province. Attraction Intro: Dujiangyan Irrigation Project
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Travelers' Voices on Dujiangyan Irrigation Project Photos