1959. Nanyang Baihe was rebuilt in Wadian from 65438 to 0959. Because Wadian Town, an important land and water wharf of the original Baihe River, was washed away and moved, a reservoir was built in the upper reaches of Baihe River for flood control and irrigation. Baihe, known as Qingshui and Ganshui in ancient times, is the mother river of Nanyang City, which originated from Kilometers Mountain in Songxian County, Henan Province.