Huairou Reservoir
Encyclopedia
The Huairou Reservoir is a reservoir
Reservoir
A reservoir , artificial lake or dam is used to store water.Reservoirs may be created in river valleys by the construction of a dam or may be built by excavation in the ground or by conventional construction techniques such as brickwork or cast concrete.The term reservoir may also be used to...

 about 60km north of Beijing, China. It is the site of the Huairou Solar Observing Station
Huairou Solar Observing Station
The Huairou Solar Observing Station is a solar observatory in China. It is situated on a north bank of the Huairou Reservoir, about 40km north of Beijing. There are two telescopes. It is operated by the National Astronomical Observatory of China, part of the Chinese Academy of Science.-External...

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