Some people (such as the Gray Ghost) consider drawing on sidewalks to be little more than a public nuisance. And it's true that these white lines don't look particularly inspiring. However, the final results of these humble lines might change even the staunchest opposer's mind.
To see the sidewalk's transformation, read more.
German street artist Edgar Mueller created the street painting "Crevasse" for the Festival of Culture in Dun Laoghaire, Ireland. Can you believe how realistic it looks?