Japan, of course. I could make myself comfortable in a shape like this. There's a hungarian article with some thoughts about it. Funny thing that nowadays the architecture of Japan gains so much space in discussions in Europe although it's different climate witch has a huge inflect on structures and possibilities.
Maybe you don't ever heard of KR. I didn't either. This guy's art is so simple i guess the only reason he's success is his hometown and it's shining underground culture. However it looks great too.