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世界遗产档案
公元前约220年，秦始皇下令将早期修建的一些分散的防御工事连接成一个完整的防御系统，用以抵抗来自北方的侵略。长城的修建一直持续到明代（1368至1644年），终于建成为世界上最大的军事设施。长城在建筑学上的价值，足以与其在历史和战略上的重要性相媲美。
UNESCO 官方中文展开英文原文
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.
Wikidata 参考资料
QIDQ65961372 ↗
面积2151.55 ha