Great Wall of China
Map at the time of the Qin Dynasty in 221BC
Several walls were built from as early as the 7th century BC. During the Warring States Period (475–221BC), seven states built their own defensive walls. Selective stretches were later joined together by Qin Shi Huang (220–206BC), the first emperor of China.
Little of the Qin wall remains. Later on, many successive dynasties built and maintained multiple stretches of border walls. The best-known sections of the wall were built by the Ming dynasty.
Map at the time of the Ming Dynasty (1368–1644)
- The Great Wall of the Ming Dynasty starts from Jiayuguan in western China’s Gansu Province, following the mountains bordering Inner Mongolia and the North China Plain, to the Bohai Gulf at Shanhai Pass, and then looping round the Bohai Gulf to terminate at the Hushan Great Wall section on the North Korean border.
- It is 8,850 km (5,500 miles) including inner, outer, and side walls, and natural obstacles like mountains and rivers, with over 1,000 forts and garrisons.
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