"The only point of painting a train in New York is to communicate around the city," he says. "In Bristol there are no trains except at Temple-meads station and there's no room on the buses." "Bombing", or spraying graffiti art, got dangerous. "The thing about doing it in the street is anybody could be watching you," says 3D. "If you heard footsteps or an engine you'd chuck the can and hide behind a car..."














