1月11日，市民游客在大黑河郊野公園觀鳥（無人機照片）。時值冬日，內蒙古自治區呼和浩特市大黑河郊野公園“千島湖”風景區候鳥翔集，吸引不少市民前來觀鳥。據了解，“千島湖”所在的大黑河流域曾經由于非法采砂、污水處理廠溢流等原因，生態環境惡化。近年來，當地因地制宜實施尾水生態化利用、河道清淤、自然植被恢復等多項生態修復措施，改善了大黑河流域的生態環境，使之重現生機與活力，成為當地知名的觀鳥好去處。[新華社記者 連振 攝]

An aerial drone photo shows tourists visiting the Dahei River country park in Hohhot City, north China's Inner Mongolia Autonomous Region, Jan. 11, 2025. Once polluted by improper economic activities in the area, the Dahei River basin has now become an ideal habitat for migrant birds and also heaven for bird lovers, thanks to the ecological restoration measures taken in recent years. (Xinhua/Lian Zhen)