This is № 408 of Pilentum's model railroad videos. Because model trams are so famous, there are also many model railway layouts and scale models. One famous layout, which is called “Maredval”, was built by Tom de Decker.
Video № 102: Another dream of model train layout in 1 scale ie. 1 gauge.
Video № 071: Beneluxspoor Model Railroad Layout from Belgium in HO scale.