"You risk because this is maybe not the way people think one should photograph. So you go out on a more different road. There is a risk involved in that. And I think if an artist doesn’t take risks, then it’s not worth it."
He coated objects with a “light-sensitive” layer, put it in a black box with strategically placed pinholes, and exposed the objects for 5 to 50 minutes depending on the brightness of the environment. Beautiful.