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Genius Irrigation System-----Dujiang yan

Viewed 469 times 2014-5-12 15:32 |System category:Life

     Last weekend,i went to Dujiang yan with my friend for a taste of the greatness of the ancient irrigation infrastructure.
     As the tutor said,it was bulit in Qin dynasty in 256 BC,and during that time,people lived along the banks of the Min River were plagued by annual floods.Li Bing ,who was the governor  responsible for this big problem ,investigated and finally discovered that the river was swelled by fast flowing spring melt-water from the local mountains that burst the banks when it reached the slow moving and heavily silted stretch below.And he  proposed a great idea that to construct an artificial levee to redirect a portion of the rivers's flow and then to cut a channel through Mount Yulei to discharge the excess water upon the dry Chengdu Plain beyond. 
     After the system was finished ,no more floods occurred and because of it ,Sichuan became the most productive place in china.
     The most greatness of Dujiang yan is its physics applied while there was no physics existed then,and Li Bing just used his wisdom and figured out a solution that not rebelled the natural principles and bring happiness for both ancient and modern  local people.

(Opinions of the writer in this blog don't represent those of China Daily.)


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