Looks great! Who makes the power line towers, or are those in a backdrop photo? 
You mean you can't tell?

It's part of the background. The diorama is only about 2 by 2 feet. The blast furnace takes up most of the space. I am planning on expanding the scene to include a second BF, coke works, and other goodies, but haven't decided yet on the exact plan. The expanded scene will not be in the book, but may be part of an article or something.
Modeling steel in N Scale is really great because you can do the subject justice without needing to selectively compress much.