caption: The image shows a poster with a group of people riding horses, with the words "d'acclimation peaux rouges - jardin zoologique" written across the top. The people in the poster are wearing traditional Native American clothing, and the horses are galloping across a grassy field. The sky is a deep blue, with a few white clouds scattered across it. The sun is setting in the background, casting a warm orange glow over the scene.