复古旅行海报插画提示词

Create stunning retro travel poster illustrations featuring iconic cities, famous landmarks, bold geometric compositions, editorial typography, colorful flat-design architecture, and vintage tourism aesthetics. Perfect for wall art, postcards, travel prints, social media graphics, posters, and print-on-demand products. Easily customize the city and quote while maintaining the same clean vector style, structured layout, and vibrant modern-retro travel poster appearance across an entire collection.