
My reservation is that it seems simply to project onto a plain surface. More innovative would be to use augmented reality techniques. In this version, real elements of the streetscape would be activated by interacting with sensors and projectors. In so doing, it would supplement the function of, say, a parkbench so that it became part of a winning move in a game, or a handrail as a defence.
Link here to UK events, but see earlier post on building projections.