Save the Banksy campaign
Not surprisingly, citizens would rather save that Banksy (see previous post) in London rather than let the authorities whitewash another masterpiece. Bristol saved one of theirs this way, so who knows. You'd think the Tate Modern would step up to defend it given their recent focus on street art.
Here's the email address in a usable format: email@example.com
Here's a photo of the work in question