A missing brick here and chipped stone there show the normal marks of wear and tear on the structures and streets of a city, but filling them in with multi-colored LEGO bricks makes them stand out in sharp relief with their surroundings – especially in a place like Berlin.

It may look haphazard at first, but there is an art to the process: identifying gaps is naturally subjective, and filling them in is both a creative and crafty act that can involve turning corners and working with existing structural details.

 He started this project himself but (surprise!) many people stopped and signed themselves up to lend a hand when they saw what he was doing, grasping handfuls of LEGOs to help fill building voids and remodel life-sized brick-less spaces with miniature toy bricks of many colors