Affiche de voyage en sérigraphie colorée

Create a vertical 3:4 top-bottom comparison travel poster illustration. The upper half fully preserves the input real Thailand travel photo, keeping the original composition, people and building/street subjects, actions, lighting, and perspective; use a thin white divider line in the middle. The lower half extracts real elements from the same photo and reconstructs them into a color-print travel poster: off-white paper background, limited to high-saturation spot colors such as indigo, vermilion, coral pink, bright yellow, and lake green, coarse halftone dots and paper fiber texture, obvious but restrained misregistration and print edge effects. Preserve subject recognition and key spatial relationships, actively change information density and composition - not a filter applied to the original image; streets, temples, rivers, boats, stalls and other elements vary according to the original image, not a template. The lower half may include a very small amount of short English location labels derived from the photo, but do not generate long unverifiable text. Prohibit logos, watermarks, AI corner marks, original image corner marks, and unrelated landmarks.