This is № 414 of Pilentum's model railroad videos. Although HO scale and N scale are the most popular scales for model railroading, the market for railway modelling in TT scale is growing. So it is not a surprise to discover beautiful designed model railway layouts with steam locomotives and diesel locos in TT scale.
This is № 039 of Pilentum's model railroad videos. In Germany, there is a very large model railroad exhibition organized by three model railway clubs. The model railroad modules contain more than 200 meters of railway tracks. There are more than 100 model trains in DCC mode an the famous, self-controlled model cars.