The image shows a sign in a grassy field with a windmill in the background. The sign is attached to a wooden post and has a white background with black text and images. The text on the sign reads "Windmill Aeration" and there are three images below it. The windmill is tall and has multiple blades, and it is located in the distance. The field is surrounded by trees and there is a stone wall on the right side of the image. The sky is blue and the grass is green.