In fact, they have long been pick-up joints. There's a story that Lytton Strachey, the Bloomsbury essayist, once cruised a handsome young man in the National Gallery, only to discover as he was about to attempt a George Michael that his quarry was actually the Prince of Wales. The literary world seems to have doubted that romance could blossom in any other surroundings. Every EM Forster or Henry James novel seems to have a seduction scene in a museum, or a Tuscan church full of Renaissance masters.