Photo taken on July 15, 2018 shows the scenery at Mingcuihu wetland park in Yinchuan, capital of Northwest China’s Ningxia Hui autonomous region. [Photo/Xinhua]

Photo taken on July 12, 2018 shows the scenery at Yuehai park in Yinchuan, capital of Northwest China’s Ningxia Hui autonomous region. [Photo/Xinhua]

Photo taken on July 2, 2018 shows the scenery at Mingcuihu wetland park in Yinchuan, capital of Northwest China’s Ningxia Hui autonomous region. [Photo/Xinhua]

Photo taken on July 12, 2018 shows the scenery at Yuehai park in Yinchuan, capital of Northwest China’s Ningxia Hui autonomous region. [Photo/Xinhua]