Aerial photo taken on May 23, 2020 shows the view of the eastern royal tombs of the Qing Dynasty (1644-1911) after rainfall in Zunhua City of Tangshan, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

Aerial photo taken on May 23, 2020 shows the view inside the eastern royal tombs of the Qing Dynasty (1644-1911) after rainfall in Zunhua City of Tangshan, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)

Aerial photo taken on May 23, 2020 shows the morning view of the eastern royal tombs of the Qing Dynasty (1644-1911) after rainfall in Zunhua City of Tangshan, north China's Hebei Province. (Photo by Liu Mancang/Xinhua)