Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua

Photo taken on July 20, 2019 shows blooming lotus flowers at the Mingcui Lake National Wetland Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. The first Yinchuan wetland ecology themed tourism festival opened here on Saturday as lotus flowers are in full bloom.Photo:Xinhua