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🇨🇳 China · Archaeological wonder
Ming Dynasty 1372–1540 CE (major 1484 rebuild) · Ming Han Chinese
Ming western gateway fortress (1372–1540) on Hexi Corridor terminus of Great Wall, 33,500 m² bastioned rammed-earth and brick rectangle abutting Qilian foothills and Black Mountain gorge.
🇨🇳 China · Archaeological wonder
Warring States to Han Dynasty 7th c BCE – 220 CE (early segments); Ming 1368–1644 (classic brick) · Han Chinese (Qin, Han dynasties)
World's longest wall system (21,196 km including branches) with earliest rammed-earth frontier walls from Warring States and Han (7th c BCE–2nd c CE) preserved in Gansu corridor (Han Dunhuang walls),…