A 3D model of a suspension bridge, featuring red steel towers, white cables, dark gray deck, and modern minimalist style. It has highly detailed clean lines and is suitable for architectural visualization or design references.

A 3D model of a tunnel ahead warning sign, featuring a red border, white background, black tunnel icon, and metal pole. It has realistic texture and detailed design, suitable for road safety warnings and traffic signage.

A 3D model of a falling rocks warning sign, featuring a red border, white background, and black landslide illustration, with a standard traffic warning aesthetic. It has detailed 3D geometry and is suitable for roadside safety and traffic warning systems. Category corrected to: Traffic Warning Sign.

A 3D model of an airport warning sign, featuring a red border, white background, black aircraft symbol, and metal pole. It has a classic triangular warning design, high detail, realistic textures, suitable for roadside safety, traffic control, or 3D design assets.