In January 2016, there was the world's largest indoor model railway meeting with 5 inch and 7 1/4 inch steam locomotives. It's the worldwide largest indoor 5 inch layout with a total track length of almost five kilometres. And, there is a combined 5 gauge and 7 1/4 gauge track layout for the Big Boy locomotives. Please, enjoy these driving men on their steaming machines.
YouTube:
https://www.youtube.com/watch?v=b0E6eWZOLoE
5 inch model railway 7¼ gauge railroad meeting exhibition model train train model 5 gauge steam locomotive locomotives 7¼ inch railways ridable miniature railways Pilentum miniature