Earliest site of coal fuel found in Xinjiang
2015-08-14 10:10
By (Xinhua)
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An archaeologist of Xinjiang Institute of Archaeology shows copper residue excavated from Jiren Taigoukou Ruins in Qialege'e village in Nilka county in Ili Valley, Northwest China's Xinjiang Uygur autonomous region, Aug 10, 2015. [Photo/Xinhua]
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