It is connected to Zhao Wei and Youyan in the north. A thousand years is spectacular and towering into the sky. The Great Wall soars into the sky. Even if the sky falls, the water is still there. But I see the border town is yellow. People know it's Don. It is unwise to build a city. Lishan once had no land for 300 years. Urban development takes a long time. Pedestrians scratch their heads on the wall. Only one song under the Great Wall can be found in Qing Dynasty, and only one epigraph is 143, and none of the ancient characters is exactly 140.