Sanitation Worker Denita Taylor [cq], left, with the District's Nuisance Abatement Graffiti Team wipes water from her face as she and Sean Thomas, right, power washes graffiti with hot water to remove it from walls in an alley near 14th and U Streets, Northwest, Washington, D.C., Thursday, April 18, 2013. (Andrew Harnik/The Washington Times)

Sanitation Worker Denita Taylor [cq], left, with the District's Nuisance Abatement Graffiti Team wipes water from her face as she and Sean Thomas, right, power washes graffiti with hot water to remove it from walls in an alley near 14th and U Streets, Northwest, Washington, D.C., Thursday, April 18, 2013. (Andrew Harnik/The Washington Times)