The top floor contains the bedroom. The element of surprise is the “hole in the ceiling” which is perceived as a window. It opens up for contemplation the boundless night sky. You'll be able to enjoy the beautiful views as if you were lying on the grass and looking at the twinkling stars.
A house doesn't stand on solid ground with its whole foundation. It sits on the side of a hill and is supported by various supports. The exception is the garage, for which a flat area was found. When you look from the side it looks like the rooms of the lower house have different heights. This impression is deceptive. In fact, the floors of the rooms are on different levels.
