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The Dujiangyan Irrigation system is a miracle of ancient Chinese ingenuity. Before the completion of Dujiangyan, the plains around the Min River were prone to floods due to the fast moving Min River flowing down from its mountain source and meeting flat ground. It was in the Warring States period about 2200 years ago, that the engineer Li Bing and his son led the construction of the Dujiangyan irrigation system that tamed the Min River and irrigated the surrounding plains.
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.Dujiangyan is an irrigation infrastructure built in 256 BC during the Warring States Period of China by the Kingdom of Qin. It is located in the Min River in Sichuan province, China, near the capital Chengdu.Dujiangyan is the oldest and only surviving no-dam irrigation system in the world; and a wonder in the development of Chinese science.
