Photo taken on Dec. 4, 2020 shows milu deer living at an milu deer ecological experiment center in Daxing District, Beijing, capital of China. Ten adult milu deer, including six males and four females, were shipped Friday from the experiment center in Beijing to the East Dongting Lake National Nature Reserve, a rewilding base in Yueyang City of central China's Hunan Province. (Xinhua/Li Xin)
