The fascinating thing for me -- that reminded me of several projects I've worked on -- is that many of the detailed parts of the exteriors have no corresponding

The fascinating thing for me -- that reminded me of several projects I've worked on -- is that many of the detailed parts of the exteriors have no corresponding parts on the inside. It's also amazing to see how much 'dressing up' simple machineries need, in order to be attractive. Taken in the opposite light, however, this also shows that to build something good, you often don't need very sophisticated mechanisms inside.