Shredding Banksy: Can his fans do it better?
He hit the headlines when a piece of his art shredded itself at an auction, just after it had been sold for more than £1m.
But what do the people waiting outside Sotheby's, where it's on show this weekend, think of Banksy's prank? And could they have done a better job themselves?
We sent our own "Banksy" to find out.