Photo taken on July 17, 2019 shows a blooming lotus flower in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Photo taken on July 17, 2019 shows lotus flowers in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Aerial photo taken on July 17, 2019 shows lotus flowers in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Photo taken on July 17, 2019 shows lotus flowers in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Aerial photo taken on July 17, 2019 shows a yacht cruising on Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Aerial photo taken on July 17, 2019 shows lotus flowers in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)

Photo taken on July 17, 2019 shows lotus flowers in Nianjia Lake at a park in Changsha, central China's Hunan Province. (Photo: Xinhua)