Focusing primarily on participatory works, he showed in Dia del Mar/By the Sea at PS1 MOMA in 2002, 9th International Architecture Exhibition at the Venice Biennale in 2004, and the Festival of the Earth: Tsumari Art Triennale in 2006. In 2016, he held the Chu ni byo Exhibition at the Ichihara Lakeside Museum. In addition to Japan, he has shown his work abroad at exhibitions such as Berlin-Tokyo/Tokyo-Berlin at the Neue Nationalgalerie in Berlin. In 2011, he launched the Daylily Art Circus, a project to visit earthquake-damaged schools and temporary housing facilities, and present exhibitions and workshops.