According to Baidu Encyclopedia:
1. Yongcheng Sun Moon Lake is located between the east and west areas of yongcheng city, Henan Province, China. It consists of two lakes, one is as round as the sun and the other is slightly longer than the moon. It is named Sun Moon Lake.
2. Shangqiu Riyue Lake is located in the commercial center of Shangqiu City, Suiyang District, Shangqiu City, Henan Province. After extensively soliciting opinions from all walks of life, it was named Sun Moon Lake. As a part of the water system project of Shangqiu New District (Shangqiu Urban-Rural Integration Demonstration Zone), the appearance of Riyue Lake has assumed the functions of diverting water from Huang Tiao, supplementing irrigation water sources and eco-sightseeing.
3. Sun Moon Lake in Zhuhai Sun Moon Lake is a beautiful lake in the Zhuhai campus of Jinan University, which is called "Sun Moon Lake".
4. Shanghai Riyue Lake is located on the south side of Shanghai Songjiang Square Tower Garden and on the north side of Qinshuiping. There is a mirror-like lake called "Sun Moon Lake".
There is a lake on the campus of Ji Liang University in China, which is called "Riyue Lake". Called the sun and the moon, it is actually yin and yang, and it is endless. There are two pavilions on the lake, xi River in the east and Wangshu in the west. It just corresponds to Sun Moon Lake. Xi, he is a day, not a month.