We’re not entirely sure why this was sent to us as a tip (Lots of Latinos live in California? Latinos are a dirty people?), but it’s a nice change of pace from emails entitled “@dd fl3sh 2 y0ur p0L3!” This clip is from a documentary by Doug Pray. It follows “Moose,” a reverse-graffiti artist, as he works in San Francisco, making art by cleaning dirt and pollution to create nature-inspired stenciled images like trees and flowers and mudflap naked ladies. In any case, it’s all pretty cool, we think, and really makes you think about your impact on the environment while you’re speeding down the highway in your SUV, eating Frito pie out of a styrofoam cup.