The Yitong River is a river in Jilin Province. It is the mother river of Changchun, the capital of Jilin Province. The Yitong River nourishes the land and the people with its clear and abundant water. It is a symbol of life and prosperity for Changchun. The Yitong River also has a rich history and culture. It witnessed the development and transformation of Changchun from a small town to a modern city. The Yitong River is a source of pride and joy for the people of Changchun.