A professional, high-resolution travel infographic poster for a 24-hour London walking tour. Layout: Vertical split layout. Left panel: A cream-colored, textured marble-style background with gold ornamental borders. Text content: Main Title: '24-HOUR WALKING TOUR LONDON, UNITED KINGDOM' Subtitle: 'One City, Five Timeless Stops. A Day to Remember Forever.' Numbered List (1-5): 1. Tower of London (8:00 AM) - 'Explore the ancient royal fortress.' 2. Tower Bridge (9:30 AM) - 'Walk across the iconic Victorian bridge.' 3. Borough Market (12:00 PM) - 'Savor tastes from London's oldest food market.' 4. The Shard (3:00 PM) - 'Take in unmatched vertical city views.' 5. Southbank & London Eye (7:00 PM) - 'Enjoy a twilight stroll by the Thames.' Right panel: An isometric, stylized bird's-eye view illustration of London along the River Thames. Key landmarks: Tower of London, Tower Bridge, Borough Market, The Shard, London Eye. A glowing, continuous golden path connecting the five numbered stops along the river. A nautical compass rose is positioned in the bottom-left corner. Lighting atmosphere: Warm, cinematic sunset lighting with golden and orange hues reflecting off the water, transitioning to twilight near the London Eye. Footer box (bottom right corner): TOTAL DISTANCE ~ 10 KM / 6.2 MILES | ESTIMATED TIME 24 HOURS ~ 15,000 STEPS. Style: Elegant, polished, clean professional design, cohesive color palette of warm gold, cream, and deep sunset oranges. High-quality vector-like illustration combined with soft realistic lighting.