Photo taken on May 21, 2019 shows a water lily flower at Donghuan Park in Shijiazhuang, north China's Hebei Province. (Xinhua/Chen Qibao)
Photo taken on May 21, 2019 shows water lilies at Donghuan Park in Shijiazhuang, north China's Hebei Province. (Xinhua/Chen Qibao)
Photo taken on May 21, 2019 shows a water lily flower at Hongshizhai scenic area in Linyi, east China's Shandong Province. (Xinhua/Wang Yanbing)
Photo taken on May 21, 2019 shows water lilies at Hongshizhai scenic area in Linyi, east China's Shandong Province. (Xinhua/Wang Yanbing)