A winter frosty day at the Wisla river, frozen from one bank to another, a hard time for birds.
A flock of swans and other water birds trying to survive severe winter time.
They have found an ice free water on Vistula river near Kepa Tarchominska in the outskirts of the Warsaw.
There is a place where warm water from sewage treatment plant comes into river.
Good people bring food to make winter easier for the birds.