caption: The image shows a German propaganda poster from the 1930s depicting a man holding a gun in his hand, with the text "Berlin die Sicherste Stadt" written across the top. The man is wearing a black suit and a white shirt, and has a stern expression on his face. He is standing in front of a large crowd of people, all of whom are looking up at him with admiration. The background of the poster is a bright yellow, and the text is written in a bold, black font.