A wild duck is seen resting at the lakeside in Yuanmingyuan Park in Beijing, capital of China, May 15, 2022. (Xinhua/Li Xin)
A wild duck swims in the lake in Yuanmingyuan Park in Beijing, capital of China, May 15, 2022. (Xinhua/Li Xin)
Wild ducks swim in the lake in Yuanmingyuan Park in Beijing, capital of China, May 15, 2022. (Xinhua/Li Xin)
Tourists view a black swan in the lake in Yuanmingyuan Park in Beijing, capital of China, May 15, 2022. (Xinhua/Li Xin)
A magpie and a heron are seen in Yuanmingyuan Park in Beijing, capital of China, May 15, 2022. (Xinhua/Li Xin)
原文地址：http://en.people.cn/n3/2022/0516/c90000-10096967.html