![](http://www.ecns.cn/hd/2024/02/28/1c014bca83d34f898c41544c3ded1756.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)
![](http://www.ecns.cn/hd/2024/02/28/0c8dc64854f54878973221a168ebc529.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)
![](http://www.ecns.cn/hd/2024/02/28/f792032163f64d029ab0911e074e497a.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)
![](http://www.ecns.cn/hd/2024/02/28/e4e6093df8d24f7cb84217e752de9a2a.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)
![](http://www.ecns.cn/hd/2024/02/28/22e0d25ace324582845215131a9bd2c5.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)
![](http://www.ecns.cn/hd/2024/02/28/eae3523d01314bbf84c2966ee68b1a68.jpg)
A herd of over 100 white-lipped deer, under China's first-class national protection, migrate on the frozen Yellow River in Sanjiangyuan National Park in northwest China's Qinghai Province. (Photo/China News Service)