3. The Hecang Fortress
The relics of the Hecang Fortress or Big Square City, located 60 kilometers away from the Dunhuang county, had been a military warehouse for grains, clothes and hay for soldiers and horses in the northwest Great Wall's forts and watchtowers since the West Han dynasty(BC 202- 9 AD).
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A landmark stone sign denotes the relics of the Hecang Fortress or Big Square City in Dunhuang county of northwest China's Gansu province. [Photo by Fan Chen] |
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The clay-made wall is exposed to high winds in northwest China's Gobi desert. The former military warehouse had played a very import role in frontier defense from BC 104 to AD 420. [Photo by Fan Chen] |
