彩神8app快三Starry night over Ming'antu observing station of National Astronomical Observatories in Inner Mongolia

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Photo taken on July 27, 2019 shows the starry night over the Ming'antu observing station of the National Astronomical Observatories of the Chinese Academy of Sciences, in Zhengxiangbai Qi, north China's Inner Mongolia Autonomous Region. (Xinhua/Liu Lei)

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