caption: The image shows a painting of a man on horseback herding a herd of bison in a field, with the sky in the background. The painting is titled "Herding the Bison" and was created by John Singer Sargent. The man is wearing a cowboy hat and a long coat, and is holding a rifle in his right hand. The bison are grazing in the field, and the sun is setting in the distance, casting a warm orange glow over the scene. The colors of the painting are vibrant and the brushstrokes are visible, giving the painting a realistic feel.