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

• 历史上看,北京是依山傍水、因水而兴的城市,水是北京兴旺发达的生命之源。但随着人口规模的不断增长和经济社会的快速发展,水资源短缺已经成为制约北京发展的主要瓶颈。