A flock of black swans glides serenely on the waters of a lake in Changbai Island Forest Park in Shenyang, capital of Liaoning province, on March 19. After spending the winter indoors, the swans can now be seen out and about at the park for free. [Photo/IC]

Two black swans pictured at Shenyang Changbai Island Forest Park [Photo/IC]

Visitors take in the natural beauty of the black swans at the lake in Shenyang, on March 19. [Photo/IC]