Premium London Travel Poster with Watercolor Accent

Create a premium vertical London travel poster on a warm ivory, handmade textured paper background. COMPOSITION: Use a two-level stacked composition, inspired by a luxury travel postcard. TOP IMAGE - LARGE: Place one large, wide photorealistic image across the upper section, occupying roughly 55–60% of the poster. Show a cinematic golden-hour view of London along the River Thames. Feature Big Ben and the Houses of Parliament prominently in the center, with Westminster Bridge, the London Eye, historic buildings, red double-decker buses, and a Thames sightseeing boat. Add a beautiful riverside foreground with an elegant vintage black street lamp, lush green trees, colorful flowers, a wooden park bench, a cream-colored blanket, a straw hat, a folded London newspaper, travel books, and a takeaway coffee cup. Use warm sunset light, realistic architecture, detailed water reflections, soft clouds, natural depth, cinematic photography, realistic textures, and premium travel-magazine quality. Do NOT make the upper image look like an illustration. It should be highly realistic and photographic. LOWER IMAGE - SMALL: Under the large image, leave a generous cream-paper gap and place ONE noticeably smaller centered image. The lower image should occupy only about 45–50% of the poster width and around 20–23% of the total poster height. Recreate the London scene as a beautiful soft watercolor painting. Include recognizable but simplified versions of Big Ben, Parliament, Westminster Bridge, the London Eye, the Thames, a sightseeing boat, a street lamp, flowers, and a small bench. The lower image must look like a hand-painted watercolor postcard with visible brush strokes, soft color washes, slightly irregular painted edges, and delicate artistic details. IMPORTANT: The lower watercolor image must be clearly smaller than the upper photograph. Do NOT make the two images equal in size. Do NOT use a side-by-side layout. Do NOT let the lower image dominate the poster. Keep plenty of empty cream-colored paper around the smaller watercolor image. PAPER & TRANSITION: Use a subtle torn-paper edge between the large photographic scene and the lower watercolor illustration. Keep the overall design clean, elegant, spacious, and premium. TYPOGRAPHY: At the bottom center, use elegant sophisticated serif typography: “LONDON” “UNITED KINGDOM” Add a handwritten phrase near the lower illustration: “Same City, Different Feelings ♡” Add small refined captions: “ICONIC LANDMARKS” “RICH HISTORY” “TIMELESS BEAUTY” Add a vintage London postage stamp on the lower-right side featuring a minimal Big Ben illustration and the words: “LONDON UK” Add small decorative travel elements such as a location pin, crown icon, subtle British-inspired motifs, thin divider lines, and tiny postcard details. COLOR PALETTE: Warm ivory paper, golden sunset, soft sky blue, deep navy, natural green, muted red, blush pink flowers, and subtle warm beige. OVERALL STYLE: Luxury vintage travel postcard + modern editorial travel magazine + handmade scrapbook aesthetic. The final poster must feel elegant, artistic, romantic, sophisticated, highly detailed, and professionally designed. MOST IMPORTANT REQUIREMENT: ONE LARGE REALISTIC IMAGE ON TOP + ONE MUCH SMALLER WATERcolor IMAGE BELOW, centered with lots of cream negative space. Preserve this clear visual hierarchy.