Thanks very much Odyssey.
Don’t worry I only take it as constructive criticism. I agree with you when you say about putting lights in to make it more realistic. Although I have tried and I can’t make anything that looks ok, as it just ends up being a tall looking 'thing' rather than a light. At the moment my compromise is that under the refuelling station there are some transparent bricks pretending to be lights.
When you said about the crammed area, it looks a lot less so in the real thing rather than pictures. I will try extending the crane out, but the black wall needs to stay because it is the end of the layout and stops people seeing the storage areas.
Thanks, CB