The Great Wall stretches for tens of thousands of miles from east to west, so it is also called the Great Wall of Wan Li. The existing Great Wall remains are mainly the Ming Great Wall, which was built in14th century. Jiayuguan in the west and Hushan in Liaodong in the east, with a total length of 885 1.8 km, an average height of 6-7m and a width of 4-5m. The Great Wall is a great miracle created by the working people in ancient China and a witness to the long history of China.

The Great Wall of Wan Li is a great military building in China, which is regarded as a miracle in the history of ancient human architecture. With the Great Wall of Wan Li as the intermediary, the Great Wall Belt, which is composed of vast northern and southern regions, runs through a considerable part of Liaoning, Inner Mongolia, Ningxia, Gansu, Shaanxi, Shanxi, Henan, Hebei, Beijing, Tianjin, Shandong, Jilin, Heilongjiang, Qinghai, Xinjiang and other provinces (cities, autonomous regions), including parts of the Mongolian People's Republic and the Korean Peninsula in historical period. Its range is hundreds or even thousands of kilometers wide from north to south and thousands of kilometers long from east to west.