
Ruins of ancient city walls dating back to Han and Jin dynasties have been discovered in the Lop Nor Desert, Northwest China's Uygur autonomous region, Jan 10, 2017. (Photo/Xinhua)
Ruins of ancient city walls dating back to Han and Jin dynasties have been discovered in the Lop Nor Desert, Northwest China's Uygur autonomous region, Jan 10, 2017. (Photo/Xinhua)