Ding Ling
The Sanggan River or Sanggan He (), also known in English as Sangkan River, is a river in northern China. It runs 506 kilometers and has a drainage area of 23,900 squared kilometers. In addition to its significance in hydrology, it is culturally significant as it has been mentioned in various poems, essays, and novels, including a poem by Chen Tao and an award-winning novel "The Sun Shines Over Sanggan River" by Ding Ling. It is also one of the rivers that gave birth to early civilizations.