There is a river in the Aershan, Xing'an League, which is known as the unfrozen river. The river is still hot at minus 30 degrees. This section of the river is never frozen in the winter, so it is called "the river does not move." Sanjiu is extremely cold, dripping into ice, all the rivers and streams in the city are frozen, only this section of the river is steaming and flowing. minus 20 degrees, 100 degrees of boiling water will freeze when it is poured out, but this river never freezes in winter, do you know why? ? It has never been frozen for many years, which is amazing. There are still green grasses in the water; the clouds on the river are steaming, the riverside is foggy and crystal clear, and the scenery is very spectacular. Many tourists come here every year.