A heron flies over the Yongding River in Beijing Garden Expo Park in Beijing, capital of China, Jan 21, 2021. [Photo/Xinhua]
A heron flies over the Yongding River in Beijing Garden Expo Park in Beijing, capital of China, Jan 21, 2021. [Photo/Xinhua]
Birds frolic at the Yongding River in Beijing Garden Expo Park in Beijing, capital of China, Jan 21, 2021. [Photo/Xinhua]
Birds rest at the Yongding River in Beijing Garden Expo Park in Beijing, capital of China, Jan 21, 2021. [Photo/Xinhua]
Birds rest at the Yongding River in Beijing Garden Expo Park in Beijing, capital of China, Jan 21, 2021. [Photo/Xinhua]
