RAKR model train display design

My family suggested I mount an HO scale layout near the ceiling in the game room. In this video I use Blender to share my ideas with family and friends. These Rumble categories make no sense. I didn't see a category for model trains or CGI. Also, not all modeling work is my own. I downloaded a building, some bridges, and vehicles from places like CG Trader. Since I download many at a time, I forget exactly which one came from where.