S-Bahn Berlin has one train in advertisement livery, the `green train',
a class 477 advertising for the radio station `Hundert,6', circulating 
on line S3. The programme of this radio station is broadcasted to 
loudspeakers in the train. Photo taken at Berlin Hauptbahnhof.
Photo and scan: Tobias B. Köhler (unci@tigerden.com)