The lost souls room was from the movie, when the two main characters Barbara and Adam are walking around in that weird angular hallway in the "dead world" I think they were looking for Juno, their caseworker.
Oh ho, a follow up piece. I dare say, this is something. Dual perspectives, and indeed duality in itself, has always been something I'm keenly interested in. This, and the previous work I commented on are a fairly decent example of that.