Below ground, in motion, accompanied by the roar of the trains, graffiti paintings covering whole cars could have exciting, hallucinatory and sometimes frightening effects.

In the gallery the graffiti paintings look overblown and too-hastily made.

The graffiti painting is interrupted when a police officer pulls up and starts chasing them down the alleyway.

He combines elements of cubism, pop art and graffiti painting in his work.

Twombly was known for his large-scale, freely scribbled, calligraphic-style graffiti paintings, on solid fields of mostly gray, tan, or off-white colors.

After finding a camera in the Paris Metro, JR and his friends began to document the act of his graffiti painting.

Especially, young people have made this kind of art with various motifs ranging from simple drawings to more complex graffiti paintings.

Jean-Michel Basquiat's "Peter and the Wolf," a 1985 graffiti painting, was estimated at $600,000 to $800,000.

The cars were decorated with bright graffiti paintings, cartoons and names of the "artists."

Fascinate is a graffiti painting at an industrial park in Bromsten, Stockholm.