"I've been here before, accidently. It's basically teleportation."
"Teleportation...?"
"Yes, you can only get to the 31st floor by teleportation.
My parents work in this building, but don't know about this floor.
My explorations took me here.
The person in charge of the maintenance of this floor told me about its workings when I told him that I'd seen it."
I nod in reply and return my gaze to the surreal scene before me.
From another dimension...?