a performance you move through the space but you can only see the moment at hand and not the finished product. works with pyrotechnics. he captures his composition through time exposures he doesn't do special effects or digital photo processing. is what actually happened. you can't see the result until you look at the monitor that's the biggest problem you can't see what you're doing you might compare it to blind painters they could sense what they're doing but they couldn't see it. is a performance. develop the technique or light photography. pre-composed and rehearsed movements with.