Julian Beever is an English artist that creates surreal chalk drawings on pavement surfaces. His art is sometimes so convincing that people avoid potholes he has drawn on a pavement. His nickname is "the pavement picasso". His chalk art can take.
Saw his clever work all over Firenze. If it makes people pay more attention to street signs, than I say, why not give him a public works grant! Clet-Abraham_Street-art_stickers-on-traffic-signs_multi_collabcubed