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Archaeologists use drone to take photos of major road 2,000 years ago

By Huo Yan and Guo Kai | chinadaily.com.cn | Updated: 2018-11-12 13:49
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Workers collect the parachute of the drone at Runzhen township, Chunhua, Northwest China's Shaanxi province, on Nov 11, 2018. [Photo by Huo Yan/chinadaily.com.cn]
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