Autumn scenery of imperial Xiaoling Mausoleum in Nanjing, E China

People visit the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province, Nov. 1, 2022. (Xinhua/Ji Chunpeng)

People visit the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province, Nov. 1, 2022. (Xinhua/Ji Chunpeng)

This aerial photo taken on Nov. 1, 2022 shows people visiting the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province. (Xinhua/Ji Chunpeng)

This aerial photo taken on Nov. 1, 2022 shows a view of the Nanjing Zhongshan Mountain National Park in Nanjing, east China's Jiangsu Province. (Xinhua/Ji Chunpeng)

People visit the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province, Nov. 1, 2022. (Xinhua/Ji Chunpeng)

This aerial photo taken on Nov. 1, 2022 shows people visiting the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province. (Xinhua/Ji Chunpeng)

This aerial photo taken on Nov. 1, 2022 shows a view of the Nanjing Zhongshan Mountain National Park in Nanjing, east China's Jiangsu Province. (Xinhua/Ji Chunpeng)

This aerial photo taken on Nov. 1, 2022 shows people visiting the imperial Xiaoling Mausoleum, the burial site of the Ming Dynasty's (1368-1644) founding emperor Zhu Yuanzhang, in Nanjing, east China's Jiangsu Province. (Xinhua/Ji Chunpeng)