The South Bronx gave birth to hip-hop in the 1970s - and much of the graffiti art that went with it - and this was one of the favourite meeting places of aerosol artists.
Following are a few examples of Mona appearing in various works of graffiti artists.
The German government said it had started deploying police helicopters equipped with infrared cameras to catch graffiti artists at night despite criticism they are grossly over-reacting.
" Lingenthal defended the use of the high-tech border patrol helicopters in Berlin and Cologne, where eight graffiti artists were detained this week.
Works by the guerilla graffiti artist Banksy are to go under the hammer at Sotheby's. They are all typical of the artist's anti-war, anti-capitalist and anti-establishment stance.
The purpose of this essay is to analyze the inter-relationship of graffiti art and city public space, and to discuss the basic condition and social influence of current graffiti art.
A lot graffiti artists, kind of Banksy.
British graffiti artists who want to paint trains usually go abroad to do it these days, says Mr. Webb.
"He's got good morals," conceded a graffiti artist called Monkey, while helping his friend scale a traffic light and drape a banner: it depicted a grim reaper clutching fistfuls of banknotes.
To the West, colorful graffiti art, tourists walking up and touching it.
B: Hey, I'm a graffiti artist so it's cool.
According to a prison informational pamphlet, this mural by Norwegian graffiti artist Dolk "brings a touch of humor to a rather controlled space."
While other nominees have been on the chat show circuit, the elusive British artist made his presence felt by placing examples of his graffiti art around Los Angeles.
In making their personalized crests, Scion owners can choose from among hundreds of symbols, all designed by a professional graffiti artist.
May be tired of the mainstream design in dull circles, in recent years, some of the young designers are trying to pursue the inspiration of the freedom, full of personality in the street graffiti art.
Also, most of the graffiti artists who are paid for their art started out doing graffiti illegally.
But for graffiti artists, all that bare concrete is too great a temptation to resist.
The agency spent six months last year escorting a graffiti artist, Tristan Eaton, around New York, Los Angeles and other cities to talk to Scion owners about their lifestyles.