2. As it was an ancient custom to furnish the spectators more splendid shows when the emperors were present than at other times, new and foreign spectacles taking the place of the customary amusements, such as animals brought from India or Ethiopia or other places, or men who could astonish the beholders with skillful bodily exercises,—it was necessary at this time, as the emperor was giving the exhibition, to add to the shows something more wonderful. And what should this be?