These rooms are decorated in two days. It's all kept secret. The neighbors spend the night in each other's home. They don't see their finished room until the end of the second day. They have no say what happens in their own home.
“I'm a geophysicist and all my earth science books when I was a student, I had to give the wrong answer to get an A. We used to ridicule continental drift. It was something we laughed at. We learned of Marshall Kay's geosynclinal cycle, which is a bunch of crap.”