caption: The image shows a poster with a windmill in the center, surrounded by text that reads "West Estonian Archipelago Biosphere Reserve". The windmill is a traditional windmill with a tall, slender frame and a pointed top, and is painted in a bright yellow color. The text is written in a bold, black font and is centered on the poster. The background of the poster is a light blue sky with white clouds, giving the image a peaceful and calming atmosphere.