Who built Sun Moon Lake in Yongcheng and Shangqiu earlier?
Sun Moon Lake in Yongcheng. Sun Moon Lake in Yongcheng was built in 20 14 because the original mine cave collapsed, while Sun Moon Lake in Shangqiu was used for water conservancy projects, which was built in 20 15, so Sun Moon Lake in Yongcheng was built earlier. Lake basin and its water body. Lake basin is a natural depression with relatively closed surface and water storage capacity. Lakes can be divided into structural lakes, crater lakes, glacial lakes, dammed lakes, karst lakes, river lakes, aeolian lakes, marine lakes and artificial lakes and reservoirs according to their causes.