![Black storks are seen at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/3e7665213bdd4ccab2f3285ba2173429.jpg)
Black storks are seen at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)
![Two black storks are seen at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/78f021d5c8b14961b8fd213199c63dd1.jpg)
Two black storks are seen at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)
![Black storks are seen at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/885998d69d144fa6a38cb28ff487fcb8.jpg)
Black storks are seen at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)
![A black stork at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/02d15393eaf84976b212c367ac10240f.jpg)
A black stork at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)
![A black stork at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/5e110010ec2744fab5903db8d1fc4711.jpg)
A black stork at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)
![Black storks are seen at a wetland park in Taiyuan City, North China\'s Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)](http://www.ecns.cn/hd/2019/02/26/128e5dcf69f74ec2aabefd9c1970da3a.jpg)
Black storks are seen at a wetland park in Taiyuan City, North China's Shanxi Province, Feb. 25, 2019. The black stork is under first-class state animal protection in China. (Photo: China News Service/Wei Liang)