Photo taken on July 24, 2018 shows a stele tower and its water reflection at Dongling Imperial Mausoleum scenic spot in Zunhua City, north China's Hebei Province. (Xinhua/Liu Mancang)

Photo taken on July 24, 2018 shows a stele tower and its water reflection at Dongling Imperial Mausoleum scenic spot in Zunhua City, north China's Hebei Province. (Xinhua/Liu Mancang)

Photo taken on July 24, 2018 shows a stele tower and its water reflection at Dongling Imperial Mausoleum scenic spot in Zunhua City, north China's Hebei Province. (Xinhua/Liu Mancang)