The Guardian has been reporting on the multiple images that have materialised around London over the past few days. We talk about what they are, the meaning they convey, their potential purpose, and if we think they, and other art like this, are of any real value. What do you think?
Artist Piet Mondrian is known today for his patterns of black lines and bold, primary colors. But he started out painting classic Dutch landscapes.
Banksy is a genius street artist from England, whose works everyone knows, but no one knows anything about the artist or even seen his face.