Birdwatching activity held in Shahu Lake scenic spot in NW China's Ningxia

Photo taken on April 21, 2018 shows heron on the wetland of Shahu Lake, northwest China's Ningxia Hui Autonomous Region. A birdwatching activity was held in the scenic spot of Shahu Lake, where thousands of migratory birds gather here for rest and reproduction from March to October every year. (Xinhua/Wang Peng)