caption: The image shows a sketchbook with a drawing of a cityscape featuring a windmill in the background. The sketchbook is open, revealing a detailed view of the cityscape, with the windmill standing tall in the center of the image. The cityscape is composed of various buildings, trees, and other structures, all of which are drawn in a realistic style. The colors used in the sketchbook are mostly shades of blue, green, and yellow, giving the image a vibrant and lively feel.