License: Description is available under license CC-BY-SA IGO 3.0 Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: UNESCO/CPE Description is available under license CC-BY-SA IGO 3.0 source: NFUAJ Source: unesco.nl - Source and License:

The Great Wall

In c. 220 B.C., under Qin Shi Huang, sections of earlier fortifications were joined together to form a united defence system against invasions from the north. Construction continued up to the Ming dynasty (1368–1644), when the Great Wall became the world's largest military structure. Its historic and strategic importance is matched only by its architectural significance.

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Created At: Tue Jan 21 2025 18:53:07 GMT+0100 (Central European Standard Time)

Updated At: Fri Feb 20 2026 16:25:31 GMT+0100 (Central European Standard Time)

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