This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Feng Kaihua)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Lian Zhen)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Lian Zhen)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Liu Jinhai)
This long-time exposure photo taken on Aug. 21, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Lian Zhen)
This long-time exposure photo taken on Aug. 21, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Lian Zhen)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Liu Jinhai)
This long-time exposure photo taken on Aug. 21, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Feng Kaihua)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Liu Jinhai)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Liu Jinhai)
This long-time exposure photo taken on Aug. 21, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Liu Jinhai)
This long-time exposure photo taken on Aug. 20, 2023 shows a section of the Great Wall built in Ming dynasty (1368-1644) under the starry night sky in north China. (Xinhua/Lian Zhen)