In pics: black swans in Niugangshan Park of Fuzhou

A pair of black swans swim in the Niugangshan Park of Fuzhou, capital of Southeast China's Fujian province, March 17, 2020. [Photo/Xinhua]
A pair of black swans swim in the Niugangshan Park of Fuzhou, capital of Southeast China's Fujian province, March 17, 2020. [Photo/Xinhua]
A pair of black swans swim in the Niugangshan Park of Fuzhou, capital of Southeast China's Fujian province, March 17, 2020. [Photo/Xinhua]
A pair of black swans swim in the Niugangshan Park of Fuzhou, capital of Southeast China's Fujian province, March 17, 2020. [Photo/Xinhua]