As a college student, architect Kyohei Sakaguchi met a homeless man who he remembers as "Mr. Suzuki." Amazed by Suzuki's ingenious survival skills, Sakaguchi became interested in the life of the homeless and spent time observing and interviewing them.

After the Great East Japan Earthquake, Sakaguchi was disturbed by the responses of what he perceived as an incompetent Japanese government, so he made himself president of a self-established "government" and made it his mission to help victims — including accommodating disaster evacuees at "0 Yen House," a building he owns in Kumamoto Prefecture.

This exhibition sheds light on Sakaguchi's project with related photographs, films, sketches and replica models; Nov.17-Feb.3 (2013)

Watari-um, The Watari Museum of Contemporary Art; (03) 3402-3001; 3-7-6 Jingumae, Shibuya-ku, Tokyo; Gaienmae Station, Ginza Line. 11 a.m.-7 p.m. (Wed. till 9 p.m.). ¥1,000. Closed on Mon. (except Dec. 3, 10, 17, 24, Jan. 14), Dec. 31-Jan. 3. www.watarium.co.jp/exhibition/under.html.