Sidewalk chalk

Sidewalk chalk is used at some universities to advertise for events, especially where there is much concrete. Prohibitions are set for where students can chalk, usually limiting it to areas that will be washed away with rain, or areas which are set to be cleaned of chalk markings. Some teachers promote use of sidewalk chalk on a carpet as an interactive teaching tool. Although sidewalk chalk is created to allow people to draw on sidewalks or pavement, some law enforcement agencies may prohibit sidewalk drawing in certain areas without first being requested for authorization. ==Events==

On September 16–17, 2006, a global event was held to promote peace through sidewalk chalk drawings. Chalk4Peace was a project planned by an artist from Arlington, Virginia named John Aaron, who asked children and teens from the age of eight to age eighteen to participate in groups across the world to draw chalk drawings that would illustrate peace for one of the Chalk4Peace events. The 2010 edition involved about six hundred artists of all ages and skills and attracted more than 100,000 visitors. ==Art==

Artists such as Kurt Wenner, Ellis Gallagher and Julian Beever have created intricate and realistic street paintings using the chalk and pastels. It is typical for sidewalk chalk artists to use anamorphic drawing when drawing with sidewalk chalk. Nonanamorphic drawing are drawings that are drawn to be observed face-on, whereas anamorphic drawings are drawn to be observed from a different viewpoint. Julian Beever, in a Q&A with Adam Boretz, ==References==