t's one of those pageants from history, in which Roman centurions fight caveman with halberds, Queen Elizabeth arrives in a carriage, and another queen gets her head chopped off while maidens in long, white gowns and crowns of daisies dance o'er the greensward. It looks, in short, like a Society for Creative Anachronism event, with someone footing the bill so all the Tower Warders' uniforms look the same.