However, graffiti has existed even longer, dating back to ancient Egypt, Greece, and the Roman Empire, where inscriptions and carvings were etched into walls ... New York’s subway graffiti ...

In a recent video, YouTuber and photographer Paul Baldonado followed Martha Cooper around NYC's Alphabet City for his Walkie ...

London Underground passengers have claimed a Tube line is in an 'absolute state', with carriages on the service dating back ...