Nested-Structure Renovation of a Traditional Kominka: House of Interstices Yoshihiro Yamamoto Architects Associates 302, Zeniya Honpo Main Building, 14-6 Ishigatsujichō, Tennōji-ku, Osaka Sustainable Renovation Exposed Beam Entrance Doma Renovation Skeleton Remodeling Engawa Family with Children Circulation Flow Traditional Japanese House Kominka Restoration traditional-Japanese-townhouse antique-joinery loft inverted-boat-hull-ceiling antique