Photograph
1929A fire hydrant on the Berlin U-Bahn
A fire hydrant on the Berlin U-Bahn.jpg
From Wikimedia Commons (Streamline Moderne architecture › Streamline Moderne architecture by country › Streamline Moderne architecture in Germany › Onkel-Toms-Hütte › U-Bahnhof Onkel Toms Hütte (Berlin)). By Photocapy. CC BY-SA 2.0.