Graffiti / Street Art

This is a collection of graffiti / street art, taken over the last 10 or so years in the Calgary area.

The City of Calgary's, Definition, of Graffiti;
Graffiti includes;
Words, Figures, Letters, Drawings, or Stickers applied, Scratched, Etched, Sprayed or Attached on a surface.

This sounds like a partial list of arts taught at any quality art school. Compromises are starting to appear, like the traffic control boxes art program.