Ah...
Hrm.
You... Do have a good question there.

Gil could always just Gate of Babylon into Vimana. That's probably a last resort, though, but it'd certainly get them out without hurting anyone.
...
Miiight attract a whole lotta trouble in the process, but it's either that or everyone jumps/runs up the building... Or something. At that point, though, does it really matter anymore?