Photo taken on July 2, 2018 shows lotus flowers at the Mingcui Lake wetland park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)

Photo taken on July 2, 2018 shows lotus flowers at the Mingcui Lake wetland park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)

Photo taken on July 2, 2018 shows lotus flowers at the Mingcui Lake wetland park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)

Photo taken on July 2, 2018 shows lotus flowers at the Mingcui Lake wetland park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. (Xinhua/Wang Peng)