A montage of street cars traveling in the city and of trains arriving to the train station. Shots from a bird’s eye angel of a dynamic city with cars, people crossing the streets, tall buildings and streetcars. A big ship approaches a low bridge. In a bridge tower a man moves a lever in order to rise the bridge up for the ship to cross. The bridge rises up and the ship continues in its way. A streetcar entering a train station. Shots of streetcars traveling on railroads tracks and entering a train tunnel.