"All of us, even when we think we have noted every tiny detail, resort to set pieces which have already been staged often enough by others. We try to reproduce the reality, but the harder we try, the more we find the pictures that make up the stock-in-trade of the spectacle of history forcing themselves upon us: the fallen drummer boy, the infantryman shown in the act of stabbing another, the horse’s eye starting from its socket, the invulnerable Emperor…