This photo taken on Nov. 4, 2023 shows the Milky Way across the sky at night in Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Nie Yi)

This photo taken on Nov. 4, 2023 shows the Milky Way across the sky at night in Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Nie Yi)

This stacked photo taken on Nov. 4, 2023 shows the star trails across the sky at night in Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Nie Yi)

This photo taken on Nov. 4, 2023 shows the Milky Way across the sky at night in Ngari Prefecture, southwest China's Tibet Autonomous Region. (Xinhua/Cao Bin)