The Collection
hejin
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Hejin City Fortress: China’s Silent Stone Stronghold
Built between the 9th and 11th centuries CE, China’s Hejin City Fortress on the Yellow River is one of the country’s most…
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Mysterious Ancient Doorway at Hejin City
Situated atop a lofty loess slope, this mysterious fortress is cleverly concealed by deep gorges, rendering it almost invisible to the untrained…