http://www.designboom.com/weblog/cat/9/view/4847/update-on-sumika-project-by-sou-fujimoto-toyo-ito-terunobu-fujimori-and-taira-nishizawa.html
SUMIKA Project by Tokyo Gas（Model House by TOKYO GAS）, Coal House, at Utsunomiya Tochigi Japan, design by Terunobu Fujimori + Kiyotaka Hayami in 2008
http://commons.wikimedia.org/wiki/File:Coal_House.jpg
