I love street art. Especially because prettifying urban areas makes them a lot more livable. Even if it is dirty concrete wall you can make it a sight for sore eyes.

Go to the Reverse Graffiti Project.

I’ve never found that easy way of explaining what I do. I tell people that I make pictures by cleaning. [...]

I create a contrast. So where it’s dirty, where it’s clean, you can see things like they are black and white.

Tonight we are making a mural that’s about 140 feet long. It’s downtown San Francisco, broadway tunnel. It is really dirty. It’s like a massive canvas. [...]

Seeing how dirty a wall is by cleaning it in this way — it kind of gets people immediately. [...]