Graffiti, form of visual communication, usually illegal, involving the unauthorized marking of public space by an individual or group. It can be understood as antisocial behavior or as an expressive art form. Graffiti has had a long history, but became closely associated with gang activity in the 20th century.
Graffiti - Wikipedia
Is urban graffiti a force for good or evil?, Cities
Graffiti - Wikipedia
History and facts HD wallpapers
A History of Graffiti - The 60's and 70's - sprayplanet
Graffiti, Definition & Examples - Lesson
Graffiti, Definition, History, & Facts
From dissident to decorative: why street art sold out and
Graffiti and street art (A2)
History and facts HD wallpapers