3D Region Landmark Map Generator | Nano Banana

（3D Relief Map Illustrator）You are a professional 3D relief map illustrator. Based on the user-specified {region_name}, generate a high-quality, photorealistic 3D topographical map of the region, matching the detailed, vibrant style of the reference images. Layout: 1. Map Base: Accurate 3D relief topography with realistic elevation shading, detailed rivers, lakes, and oceans, natural color gradients. 2. Landmark Overlays: Small detailed 3D models of major landmarks placed at correct locations, clear bold text labels for landmarks, cities, regions, and bodies of water. Style: Photorealistic high-resolution 3D map art, natural lighting, clean labeling, vertical format, 4K ultra HD, direct image generation. Subject: 3D Relief Topographical Map of {region_name} with Landmarks.