A couple of black swans take their fledgings to swim on a lake at the Yuanmingyuan Park in Beijing, capital of China, Dec. 26, 2016. (Xinhua/Wang Xibao)
A couple of black swans take their fledgings to swim on a lake at the Yuanmingyuan Park in Beijing, capital of China, Dec. 26, 2016. (Xinhua/Wang Xibao)