In a former temple of Honjima, during the Setouchi Triennale 2013, one could see and enjoy Jun Honma‘s Tinnitus.
A quite beautiful work of art that make you doubt reality for a second when you first see it:
While it’s not listed as one of the artworks that remain available after the Triennale, I wouldn’t be surprised if Tinnitus was still there anyway. I suspect that most if not all of the Honjima artworks are still around, they’re just not available right now for some reason. Obviously, I’ll give you more information as soon as I have some.