When it was suggested that more debris from the cathedral roof be sold in the gift shop the canon was all ears.

BBC: Cambridgeshire - Show sells part of city cathedral

They will also get a full refund, credit that can be used toward a future trip and reimbursement for all expenses, except casino and gift shop purchases, for their current trip.

CNN: SHARE THIS

By the time his new documentary, "Exit Through the Gift Shop, " winds its way through a slow release in the United States, Banksy will be more popular than ever -- and still, no one will know who he is.

CNN: Banksy: Still hiding in plain sight