Minimal professional 3D render, no text, no labels. A realistic large passenger bus, high-speed train, and cargo truck. All vehicles must look real, detailed, and full-scale (not small, not toy-like). Clean horizontal composition with depth and perspective. Leave space above.
ultra realistic product render, clean white studio background (not warm, not beige), professional lighting, realistic shadows, strong depth, industrial scale objects, high detail, sharp textures, cinematic light
no toy style, no miniature look, no cartoon rendering, keep real-world proportions and materials
