I believe this was from the official Ambitions trailer (with 3 weeks to go, when are we going to see more videos?!) but SimsDomination pointed out a new picture found on the Sims 3 website.
5/14/10 – one lone screen from The Sims 3 Ambitions
BeyondSims
BeyondSims Author
I was wondering the same with you Jud…
there r no walls at the back MORE REALISM!!! 😀