So, at first glance, this is just a really fun and timely piece from a sidewalk-graffiti artist. It’s guerrilla advertising without the advertising, but it’s the epitome of using your surroundings and seeing them in a new light.
He saw the shadow the crosswalk box was making and filled it in.
After more reflection though, it just might be a new medium to explore. Using shadow to communicate at optimum times of the day.
Could be very cool.