Barn house in Taiki-cho by Keio University's Co+Labo

Link: http://inhabitat.com/colabos-tiny-pee-powered-barn-house-shelters-two-people-and-two-horses/

Barn house blog: http://colabobarnhhouse.blogspot.com.es/

Co+Labo Blog: http://colaboradovic.blogspot.jp/