Belarus bird birds Gomel park swan swans swim white lake neck river water wings cold frozen ice pair pond swimming winter animal blue cloud flight flying freedom natural nature necks sky habour sea young ducks background color colored colors colour coloured colours cygnus-olor harmonious harmony leisure light paddling reflection reflections reflective ripples rippling riverside river’s-edge serene serenity synchronised synchronized tranquil tranquilly water-birds waterways webbed-feet white-swans