Henry Chalfont and James Prigoff have documented the evolution of spraycan art from its very beginnings, photographing the artists in action and recording their comments.

This is a selection of spectacular photographs and thought-provoking quotes – from more than twenty cities worldwide.

Also of interest
Subway Art 25th Anniversary eition
Freight Train Graffiti
Graffiti World: Street Art from Five Continents NEW EDITION