Dreams.
It must have been the visit Friday, but I had a dream last night that I was back in the building, except we were all in cages set up against the walls. Bars came from the top and bottom and met in the middle, leaving a small spot where you could sort of wave your arms. Every once in awhile they would open the bars and you could get out for a minute or two before being locked back up. Analyze that one!
I went to my old church yesterday -- you might recognize it from the book as the church George and Amanda attended. Here's a picture of the trailer that comes every week because they meet at Moorpark College and have to bring in all their equipment:

