Wow! there are superb photos in here!
I cast my mind back to 1973 when I first discovered 'N' gauge. So I indulged in a couple of bits and pieces and built my first 'N' diorama. It was also the first time I had taken an interest in USA outline RR's. Here's my effort at that time.
We always learn far more from our own mistakes, than we will ever learn from another's advice.
The greatest place to live life, is on the sharp leading edge of a learning curve.
Lead me not into temptation.....I can find it myself!