open world island map 3d model

Entire open world island terrain for a racing game, aerial perspective, slightly zoomed in. Northern region with huge snow-covered mountains, rocky canyons and winding roads. Central region with green valleys, lakes and farmland. Western region with forests and hills. Southern region with a large coastal city and harbor. Eastern region with beaches, cliffs and rivers. Thousands of interconnected roads, bridges and tunnels crossing the map. Realistic terrain elevation with mountains, plains and valleys. Dense vegetation, realistic water, detailed landscape mesh. No text, no labels, no icons, no HUD. AAA quality, photorealistic, optimized for 3D model generation, suitable for Hunyuan 3D and Blender, open world environment inspired by modern racing games.