Project background: The Qingying River belongs to the tributaries of the Jing River. From the northeast of Xuchang City, Henan Province. To the east and south, it flows through Xuchang County, Lintong County, and Fuling County, and goes to the northeast of Xiaoyao, Xihua County, into the Luan River. It has a total length of 149 kilometers and a drainage area of 2192 square kilometers.
The project uses about 10,000 sets of RGB wall washer lights, about 6000 sets of flood lights, and about 500 sets of corrugated lights.