The “humanity wall,” painted in 2001 by 11 notable graffiti artists from around the District, was festooned with chunky graffiti lettering and clever details, down to the winged monkeys.

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 ...

But by the time he started spraying, subway graffiti was outlawed completely ... in galleries,” explains Monopoly. “One day the walls will be painted over and buildings will be knocked ...

(JTA) — Commuters on a New York City subway used hand sanitizer to clean away swastikas and other anti-Semitic graffiti drawn in permanent marker on the train’s maps, advertisements and windows.