Inner Mongolia lake once foul, but now flourishing By YUAN HUI in Hohhot and HOU LIQIANG | CHINA DAILY | Updated: 2021-06-30 09:19 Share CLOSE Mute swans take flight on Ulansuhai Nur in the Inner Mongolia autonomous region last month. LUO YUEZHONG/FOR CHINA DAILY A black, odorous body of water that used to be dotted with dead fish in the Inner Mongolia autonomous region has been rejuvenated and is now a paradise for birds thanks to local authorities' conservation efforts. Photographer Qi Hongyan still has vivid memories of a visit to Ulansuhai Nur, the biggest lake in the Yellow River basin, almost a decade ago.