北京东北部燕山山脉一带自古河流众多,水域面积广阔,淡水资源丰富,被誉为京城“大水缸”的密云水库正位于这里。这座水库建成已近60年,由两座主坝、五座副坝、三座溢洪道等20座水工建筑物构成。许多北京人都对密云有着深刻的感情。据说,北京人每饮三杯水,就有一杯来自京郊的密云水库。京城缺水吗 There are many rivers in the Yanshan Mountains in the northeast of Beijing, with vast water areas and abundant fresh water resources. The Miyun Reservoir, which is reputed as the “big water tank” of the capital, is located here. The reservoir has been built for nearly 60 years and consists of 20 hydraulic structures, including two main dams, five auxiliary dams and three spillways. Many Beijingers have deep feelings toward Miyun. It is said that Beijing people drink three glasses of water, there is a cup of water from the Miyun Reservoir in Beijing. Capital water it