Graffiti: Inspirational or offensive?
Some of the world's most influential street artists have been working on a site in East London.
But will their efforts inspire or offend?
BBC Breakfast's Tim Muffett went to meet them.
Some of the world's most influential street artists have been working on a site in East London.
But will their efforts inspire or offend?
BBC Breakfast's Tim Muffett went to meet them.