Many a work by the artist Banksy (5)
I believe the answer is:
mural
(Other definitions for mural that I've seen before include "Painting on a wall, fresco" , "Wall art" , "Artwork" , "Drawing on a wall" , "Wall-painting" .)
I believe the answer is:
mural
(Other definitions for mural that I've seen before include "Painting on a wall, fresco" , "Wall art" , "Artwork" , "Drawing on a wall" , "Wall-painting" .)