caption: The image shows a poster on the wall depicting a man and a woman skating, with the words "American Skating-Rink - Nachst dem Praterstern" written across the top. The man is wearing a blue suit and a white shirt, while the woman is wearing an apron and a hat. Both of them are wearing roller skates and have their arms outstretched as they glide across the ice. The background of the poster is a bright blue sky with white clouds.