水是人類社會發展的基礎性自然資源和戰略性經濟資源，也是城市發展的命脈。

Water is the basic natural and strategic economic resources forthe development of society, the lifeline for urban development.Beijing was located by mountains and water in history, vitalizedwith water. Water is the life source of the prosperity of Beijing.

歷史上看，北京是依山傍水、因水而興的城市，水是北京興旺發達的生命之源。但隨著人口規模的不斷增長和經濟社會的快速發展，水資源短缺已經成為制約北京發展的主要瓶頸。

With continuous increase of population，rapid developmentof economy and society, shortage of water resources hasturned to the main bottleneck for the development of Beijing.  

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