Where is the Great Wall built?

According to historical documents, there are three dynasties where the Great Wall is more than 5,000 kilometers: First, the Great Wall of Wan Li, which starts from Lintao in the west and ends in Liaodong in the east, was built by Qin Shihuang; Second, the Great Wall and beacon towers built in the Han Dynasty with a total length of 13000 kilometers from Xinjiang in the west to Liaodong in the east; 3. Jiayuguan in the west and the Great Wall along the Yalu River in the east, built in the Ming Dynasty, with a total length of 8851.8km (revised in 2009). If you add up the Great Wall built in different periods, it will be more than 50,000 kilometers. These Great Wall sites are distributed in more than 0/0 provinces, cities and autonomous regions in China today, such as Beijing, Gansu, Ningxia, Shaanxi, Shanxi, Inner Mongolia, Hebei, Xinjiang, Tianjin, Liaoning, Heilongjiang, Henan, Hubei, Hunan and Shandong. Among them, only Inner Mongolia Autonomous Region has 1.5 million kilometers of sites. Followed by the Great Wall of Gansu.