What is it? Actually, anything realized in a public space. It of course includes illegal graffiti, but most street art is meant to be there, i.e. has been commissioned privately or by public organizations.
Please call in again soon for the full article.
Here's a video to be going on with. Banksy is already a household name. His secret is his anonymity. In this video one of his graffiti is being protected by plexiglass. He has arrived!
Julian Beever has a totally different approach.
Of course, if street art is done illegally, it's vandalism. But the trend is to actually want to brighten up public spaces, and that can't be a bad idea. Or have you never come across a huge mural on the side of a building and marvelled at it?