Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)

Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)

A dragonfly perches on a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province, on May 31, 2019. (Xinhua/Shi Guangde)

Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)

Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)

Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)

Photo taken on May 31, 2019 shows a lotus flower at the Geshan scenic spot in Tunxi, Huangshan City, east China's Anhui Province. (Xinhua/Shi Guangde)