The Greeks take their clothes off more than we do. It is the mark of a hero, not about representing the literal world, but rather a mythologized world.

The river god’s taut musculature, expressive limbs, and windblown hair are modelled with extraordinary vigour. Oh wait – his head is missing.

The River-God is usually depicted in one of three forms: as a man-headed bull; a bull-horned man with the tail of a serpentine-fish in place of legs; or as a reclining man with an arm resting upon a pitcher pouring water. Here he is represented with a giant elephant eye in the centre of his trunk.