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)
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)
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)