Cooperation is found at the top of an Escalator
Here's an interesting study - where are people at there best (as measured from a Dr Who perspective) at the top or bottom of the stairs?
David A. Schroeder | March 29, 2011 Mind Matters, Scientific American
So this has me wondering if we could see the same results at the top of an elevator - I doubt it. Therefore, I suggest you place your team room at the top of an escalator - to infuse the most cooperation within the team.