Introduction to Qingyuan Lake: Qingyuan Lake Ecological Scenic Spot is located in the middle and upper reaches of Heli River, a secondary tributary of Songhua River. It is planned and designed by Harbin Institute of Technology, Central Academy of Fine Arts, Beijing New Era Architectural Engineering Design Co., Ltd. and other units. It is " One of the waterfront urban projects "Five Lakes, One River and Thirteen Ditches".