Photomontage taken on Nov. 19, 2020 shows the star trails over Nianhu Lake in Huize County of Qujing City, southwest China's Yunnan Province. (Xinhua/Hu Chao)

Photo taken on Nov. 19, 2020 shows a view of Nianhu Lake in Huize County of Qujing City, southwest China's Yunnan Province. (Xinhua/Hu Chao)

Photo taken on Nov. 18, 2020 shows the starry sky over Nianhu Lake in Huize County of Qujing City, southwest China's Yunnan Province. (Xinhua/Hu Chao)

Photomontage taken on Nov. 18, 2020 shows the star trails over Nianhu Lake in Huize County of Qujing City, southwest China's Yunnan Province. (Xinhua/Hu Chao)