This model train layout was presented on a model railway exhibition for US railroads, only. There are trains from Union Pacific, Southern Pacific, Grand Canyon Line, Rio Grande and D&RGW railroad. And, there is a Mexican wedding built on that display.
Actually, there are more than 250 videos about model railroading and railway modelling, for example, on Dailymotion and YouTube. Please, visit also Pilentum's Facebook site.