Create a premium 2ร2 four-panel travel poster collage using the four provided reference images. Keep each poster's original design, typography, colors, landmarks, text, coordinates, and vintage aesthetic intact. Arrange the four posters in a perfectly aligned 2ร2 grid: Top-left: Tokyo โ Mount Fuji, Tokyo Tower, red sun, Japanese-inspired typography. Top-right: New York โ Empire State Building, Manhattan skyline, bold black typography. Bottom-left: Paris โ Eiffel Tower, Seine River, warm golden vintage tones. Bottom-right: Rio de Janeiro โ Christ the Redeemer, Sugarloaf Mountain, coastal landscape, warm Brazilian tones. Give all four panels a consistent premium editorial travel-poster style, with matching proportions, subtle cream-colored borders, clean spacing, balanced composition, soft vintage paper texture, slightly faded photographic tones, and sophisticated minimalist graphic design. Important: Preserve the original visual identity of each supplied poster. Do not redesign, replace, distort, or remove the landmarks or typography. Keep the text legible and correctly positioned. Make the four posters look like a professionally curated single travel-poster collection, photographed/scanned as one clean high-resolution artwork. Aspect ratio: 2:2 square Quality: ultra-detailed, sharp, clean edges, high-resolution, professional graphic design, realistic vintage print texture.