Last May, the street artist(s) known as Banksy unveiled a dramatic mural near Campo Santa Margherita  in Venice. It featured a child refugee clad in a lifevest and holding a neon pink flare. Over the course of Autumn flooding, during the past months, the painting has been lapped by rising waters. This week, Banksy posted photos on social media that  appear to show flooding up to the child’s chest, and has covered part of the flare.