caption: The image shows a fresco on the wall of a house in Pompeii, Italy depicting a man on a horse. The painting is believed to be from the Roman Empire, dating back to the 6th century BC. The man is wearing a long robe and a helmet, and is holding a staff in one hand and a shield in the other. The horse is a chestnut color with a white mane and tail. The background of the painting is a deep blue, with a few stars and a crescent moon.