caption: The image shows a poster depicting three people standing on the ground, with the text "Die Völker des Caucasus nach den Berichten der Dietrich Christoph von Rommel" at the bottom. The people in the poster appear to be dressed in traditional clothing, with one person wearing a long robe and a hat, another wearing a tunic and a cape, and the third wearing a hat and a long coat. The background of the poster is a bright blue sky with white clouds.