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The Three Gorges Project(TGP)on the Yangtze River(YR)is the largest hydro-power project in the world;it is now attracting the world wide attention.Possessing comprehensive utilization benefits mainly for flood control,power generation and navigation improvement,TGP is a vital and important project in harnessing and developing the YR.The Project primarily aims at flood control whose reservoir has a total storage capacity of 39.3 billion m3,22.15 billion m3 of which can be set for flood control.Construction of the project has greatly improved the flood control capacity in the middle and lower sections of the YR.In 2010 TGP has successfully withstood 3 peak floods,especially the one on July 20 with a frequency of once in 20-year,the largest since the construction of TGP.TGP as an eco-environmental project will be beneficial to ecological and environmental protection and low carbon economy and it will accelerate coordination of the economy,society,resources and environment and sustainable development along the valley,as well as the rapid development of Chinese economy.