caption: The image shows a painting of a bull 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 is depicted in a standing position, with its head held high and its mane flowing in the wind. The field is lush and green, with a few trees and shrubs scattered throughout. The sky is a deep blue, with white clouds scattered throughout, and the sun is setting in the background, casting a warm orange glow over the scene.