Graffiti in Latinoamerica

Graffiti is art but some people differ because sometimes is use as vandalism. Im an artist and there are some things that are better told in songs; thats what graffiti artist do in their paintings.
In Colombia we can find lots of graffitis in the streets and some of this works are really impressive; the colors, the message, the design. Its a well done piece of art. In Bogota's case this paintings express opinions and reflects what this artists feels about, politics, and social.
In Argentina graffiti has become an open air art gallery in buildings this also happens in Brazil where you can find beautiful paintings all around the city; the view is something out of this world; but there are some cases like Honduras where graffiti is use to highlight whats happening in the city because this place has become one the most dangerous cities in the world.