A swan is pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)
A swan is pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)
Swans are pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)
Swans are pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)
Swans are pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)
Swans are pictured on the Qingshui river in Miyun District of Beijing, capital of China, Dec. 7, 2021. (Xinhua/Chen Yehua)