The Huanghuacheng Lakeside Great Wall Reserve, which is located in Huairou District of Beijing City, has the grandeur of the Great Wall as well as the stillness of Haoming Lake.This part of the Great Wall was the North Gate of ancient Beijing in the Ming Dynasty. Being divided by the lake, it became the only "Great Wall in Water" in Beijing.The Huanghuacheng Lakeside Great Wall has been developed into a National 3A Scenery Site. [China.org.cn]