Extend the Story - Add a Room

Well, lucky enough for you, the door unjammed itself, just in time for you to roll out and hobble away from the vehicle. You start smelling some really strong gas, and you know it's potentially dangerous, so you run in the opposite direction. You get far enough away from the vehicle, and it explodes... Lucky you. Now, you think, well. One explosion can't mean two, and I've got to get in the building. So you...

You run down the little entryway to proceed and try the front door.