Oriental white storks seen at Caofeidian wetland in N China's Hebei

Aerial photo taken on Nov. 5, 2019 shows oriental white storks flying over Caofeidian wetland in Tangshan, north China's Hebei Province. The oriental white stork is listed as endangered by the International Union for Conservation of Nature. The wild population is estimated at less than 3,000. (Xinhua/Yang Shiyao)