巴塞隆納的精緻等角透視縮影模型，展現港口、海灘與著名地標，置於木製底座上

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Goal: Create a highly detailed isometric city diorama poster of Barcelona, Spain, presented as a miniature architectural model on a square wooden-edged base.

Canvas: Vertical poster composition, 4:5 aspect ratio, clean off-white background with generous blank space above the diorama. Center the city model in a three-quarter isometric view, with the coastline and harbor along the front edge and the dense urban grid receding toward the top.

Title text: At the top center, use small spaced uppercase text “CATALUNYA”, below it a very large tall condensed uppercase headline “BARCELONA”, and below that small spaced uppercase text “SPAIN”. Use dark charcoal lettering, elegant travel-poster typography.

City layout: Build a precise miniature version of Barcelona with a dense Eixample-style grid of square city blocks, orange terracotta rooftops, pale stone buildings, tree-lined avenues, small intersections, plazas, and tiny vehicles. The city should look like a premium museum-scale diorama with realistic lighting, crisp detail, and subtle depth of field.

Visible landmark count: Include exactly 6 major recognizable landmark zones: 1) the Sagrada Família as a tall ornate basilica with many spires near the center, 2) a large green park zone resembling Parc de la Ciutadella on the upper left, 3) a rounded blue-and-red football stadium on the right side, 4) a bullet-shaped glass skyscraper resembling Torre Glòries on the left, 5) a tall sail-shaped waterfront hotel tower on a small peninsula near the front center-left, and 6) a beachfront and marina district along the front and right edge.

Waterfront details: Show deep turquoise Mediterranean water wrapping the front edge of the square base, with a harbor, piers, docks, a marina filled with rows of small white boats, a sandy beach curving along the right side, and a few tiny sailboats and motorboats in the water. Add promenades, palm trees, roads, cranes, and small waterfront buildings.

Style: Ultra-detailed 3D isometric diorama, realistic miniature photography, warm daylight, crisp shadows, saturated but natural colors, terracotta roofs, green parks, blue sea, and polished architectural model craftsmanship. The base should have a visible dark wood side edge, making the city feel like a physical tabletop model.

Constraints: No people in close-up, no extra labels on the map, no watermark, no border. Keep all text clean and legible, and do not add additional cities or unrelated landmarks.