摘 要: | THE Dujiangyan Irrigation System that has turned the 733,300-hectare Chengdu plain into farmland with constant good harvests, was actually constructed 2,200 years ago. As an exceptionally good example of water conservation works both in China and in the world, the ancient project has functioned perfectly, serving as a method of flood prevention, irrigation, navigation and power generation. Thus, it is one of the wonders in the history of hydraulic engineering, embodying ancient Chinese civi…
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