caption: The image shows a painting of a bull and a horse in a field, painted by Franz Marc. The painting is composed of a variety of colors, including blues, greens, yellows, and reds, creating a vibrant and lively atmosphere. The bull and horse are depicted in a realistic style, with the bull's mane and tail flowing in the wind and the horse's hooves kicking up dust. The background is a mix of blues and greens, giving the painting a sense of movement and energy.