Save this picture!© Kai Nakamura+ 18 Curated by ArchDaily Share ShareFacebookTwitterMailPinterestWhatsappOrhttps://www.archdaily.com/775839/spiral-window-house-alphaville Clipboard "COPY" CopyHouses•Osaka, Japan Architects: Alphaville Architects Area Area of this architecture project Area: 28 m² Year Completion year of this architecture project Year: 2013 Photographs Photographs:Kai NakamuraSave this picture!© Kai Nakamura