When I was a kid we would drive from north Mitcham to Bellenden Road in Peckham, near my mum's old house, to buy Jamaican patties, hard dough bread, and guava jelly. There was a mural at Goose Green in East Dulwich, near journey's end - not that weird, there's obviously plenty of graffiti in London - that always gave me the creeps. It seemed to be a depiction of a normal village green, much like the one it stood upon, but there was something distinctly Wrong with it. The simple, bright colours read as completely unnatural, almost sickly, and for some reason an explosion of light emanated from the tree at the centre. It didn't help that the mural was scarcely visible from Adys Road as we drove to the bakery, partially shrouded by a couple real trees, bathed in amber from the old sodium streetlights you used to get (because by the time we got to Peckham it was always night). It made the mural feel like something I had imagined or fever-dreamed, half-asleep and up past my ...