"This self-sustainable building, designed by Samsung Engineering and Construction, is a zero energy house. It does not use fossil fuel energy nor does it produce carbon dioxide emissions. According to Samsung Engineering, sixty-eight eco-friendly technologies are applied to the house, such as insulated walls and floor heating. The photovoltaic system is very innovative - solar cells are installed on window blinds which function both as a sunlight protector and as an electricity generator... ." (Quoted from video description)