Female polar bear Finja with her mother Nora, playing in the snow in the Vienna Zoo. (Tiergarten Schoenbrunn/Newsflash)

Fantastic footage of polar bears playing in the snow together with images of other animals has been shared by staff at the world's oldest zoo located in a former imperial palace in the Austrian capital Vienna.Schoenbrunn Zoo shared the material which also included their giant pandas and Amur leopards to celebrate joining the endangered species protection alliance.(Tiergarten Schoenbrunn/Newsflash)