Anything goes the best and worst/average...
It's just to keep people aware of what is going on in terms of design engineering/architecture relationships, budgets, politics, exhibitions, security issues, finishes, models ect.
Although this thread is a missmess I have yet to find anything similar.
I don't have time to do it properly but it is worth doing the thread half baked than not at all because nothing exists on the subject in this form. I have a massive collection of images this is small overview summary.