Glass House in Tokyo Pros: Nothing to catch fire. Sun loving plants would grow well Cons: What if there's an earthquake? Zero privacy, even with curtains Not very energy efficient (hot in summer, cold in winter) Someone could throw stones at your house. Use a lot of Windex to clean your house Have to keep your house really clean, all the time. Can't use paint or wallpaper to personalize your space and how do you hang any artwork/pictures? Thieves would know when you're not home.