Yup, and here in Aridizona - it will freeze the occupants out in the winter and bake them out in the summer. That said, the main interest in posting was the light use concept. I think that the architects took the concept a bit too far - a building with a single focused concept - to the exclusion of good common building practices, with out some reasonable application of common sense, in the end will just be a waste. On the roof, and sides where the light is brought in, multi-pane insulated windows could easily be used. The rest of the walls do not add one iota to the overall (light) concept.