2006 (Tokoname-shi, Aichi)
Naoki Kusumi suggested the spaces and form of the walls as he participated from the design terms and expanded the possibility of expressions of mud. Local materials were used for interior and exterior mud walls. For the exterior wall, 320 tons of mud were tamped down for rammed earth wall to express massiveness of soil. For the interior wall, sifted soil, that were used for rammed earth, were plastered via special technique to express delicateness of soil.