Photo taken on July 31, 2020 shows the lotus flower at Yingzhou park in Hejian, north China's Hebei Province, July 31, 2020. (Xinhua/Zhu Xudong)

Photo taken on July 31, 2020 shows the lotus flower at Yingzhou park in Hejian, north China's Hebei Province, July 31, 2020. (Xinhua/Zhu Xudong)

Photo taken on July 31, 2020 shows the lotus flower at Yingzhou park in Hejian, north China's Hebei Province, July 31, 2020. (Xinhua/Zhu Xudong)

Photo taken on July 31, 2020 shows the lotus flower at Yingzhou park in Hejian, north China's Hebei Province, July 31, 2020. (Xinhua/Zhu Xudong)

Photo taken on July 31, 2020 shows the lotus flower at Yingzhou park in Hejian, north China's Hebei Province, July 31, 2020. (Xinhua/Zhu Xudong)