Hm, not sure Fox would consider this a building or a structure
Hmm, a structure I suppose because multi story car parks don't really have a roof because the top layer of parking isn't covered. Although I suppose you could argue that's a rooftop car park.
Hm, not sure Fox would consider this a building or a structure, but photography thread devotees will probably be interested:
http://www.standard.co.uk/news/world/driver-escapes-from-car-dangling-off-ninthfloor-car-park-a3341616.html