![A herd of milu deer are seen on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province, Oct. 4, 2018. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/0ff87c09d04a4fffb14c1e1c737da482.jpg)
A herd of milu deer are seen on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province, Oct. 4, 2018. (Xinhua/He Jinghua)
![A herd of milu deer are seen on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province, Oct. 4, 2018. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/d83790b56b7645258ac313bea0659798.jpg)
A herd of milu deer are seen on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province, Oct. 4, 2018. (Xinhua/He Jinghua)
![Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/8e7b3203a28e468ebb0d22b100f57546.jpg)
Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province. (Xinhua/He Jinghua)
![Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/4b7c2dfb50544e82bb89d647a11f2557.jpg)
Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province. (Xinhua/He Jinghua)
![Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/5162113278ab4c5ca05f102fbbc1ac40.jpg)
Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province. (Xinhua/He Jinghua)
![Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China\'s Jiangsu Province. (Xinhua/He Jinghua)](http://www.ecns.cn/hd/2018/10/06/22bfb834570c4d15a5dbb4328b648f33.jpg)
Aerial photo taken on Oct. 4, 2018 shows a herd of milu deer on a wetland at the Dafeng Milu National Nature Reserve in Yancheng City, east China's Jiangsu Province. (Xinhua/He Jinghua)