Yinchuan strengthens protection, restoration of wetland

Aerial photo taken on June 10, 2017 shows a river system in Helan County of Yinchuan, northwest China's Ningxia Hui Autonomous Region. Yinchuan strengthened protection and restoration of wetland in recent years. So far, the city has 53,000 hectares of wetland. (Xinhua/Wang Peng)