caption: The image shows a fragment of a Roman mosaic with a dragon and a man on it, set against a black background. The mosaic is composed of a variety of colors, including blues, greens, yellows, and reds, creating a vibrant and intricate design. The dragon is depicted in the center of the mosaic, with its wings spread wide and its head held high, while the man is standing to the side, looking up at it with a determined expression.