This model train club is called Association for the Berlin-Brandenburg Metropolitan Railway History and was founded in 1962. The association has built a lot of model trains, modular layouts and model railroad layouts. Their layouts were always a replica of the Berlin Underground and the Berlin railway history. The model railroad club operates a suburban railway system, two-track and single-track module layouts. This film presents the large two-track modular model railroad layout in HO with tram, roundhouse, bridges, stations, tunnels, etc.