Mandarin ducks at a lake in Wuyuan County, East China’s Jiangxi Province, Feb. 21, 2017. Some 70 wild mandarin ducks have migrated to the lake, part of a national wetland in Wuyuan known for its beautiful natural environment. Mandarin duck is a second class animal under state protection and regarded as a symbol of conjugal affection and fidelity in Chinese culture. (Photo: China News Service/Cheng Xinde)
