F3 House, a modern Japanese home in Yamato-shi near Tokyo, built by architect Koh Kitayama. The necessities for living is packed into one long, narrow box and inserted midway into the main structure of a building which on the outside resembles a three story industrial greenhouse made entirely of glass. On the ground floor is the garage for two cars, the mezzanine above is a grille that serves as the relaxation area, while the top floor is a large deck with garden furniture and parasol.