Night view of trees against the starry night with the Milky Way galaxy over a sand field in Xilingol League, north China's Inner Mongolia Autonomous Region. (Photo: China News Service/Guan Yongxin)

Night view of trees against the starry night with the Milky Way galaxy over a sand field in Xilingol League, north China's Inner Mongolia Autonomous Region. (Photo: China News Service/Guan Yongxin)

Night view of trees against the starry night with the Milky Way galaxy over a sand field in Xilingol League, north China's Inner Mongolia Autonomous Region. (Photo: China News Service/Guan Yongxin)

Night view of trees against the starry night with the Milky Way galaxy over a sand field in Xilingol League, north China's Inner Mongolia Autonomous Region. (Photo: China News Service/Guan Yongxin)