This exhibition of the works of Kiyoshi Yamashita will continue at the Kumamoto Prefectural Museum of Art until December 15. For information about Kyoshi Yamashita please see the Wikipedia article about him:
http://en.wikipedia.org/wiki/Kiyoshi_Yamashita
The Japanese details about the exhibition can be found here:
http://www.museum.pref.kumamoto.jp/event_cal/pub/detail.aspx?c_id=10&id=23&trk_kbn=2