Moving Lego Trains at Europes largest Lego train exibition (Bauspielbahntreffen) in Schkeuditz near Leipzig. DP: Michael Franke, Annika Taute Edit: Annika Taute
Some of the trains have the old 9V Lego engine. Others are working with Powerfunctions, Powered up and with engines from alternative manufacturers. Pretty much systems could be found on this large layout.
These are German standard gauge class 01 steam locomotives with a passenger train of the Deutsche Reichsbahn like this one: ru-vid.comkixHYxXnRb8?feature=share