I had an interesting experience today too. I go to a catholic school and our religion class had confession in the auditorium. I immediately moved to the very back corner of the auditorium and just sat there. As I sat there I started to see things; things that are really there, but that noone really notices or focuses on. At one point I was looking at the curved back wall and I could see a transparent wall running across the room, it was pretty cool stuff.