A 3D model of a bridge, featuring a red arch, transparent railings, and side staircases, with a modern minimalist aesthetic. It has low polygon count and is suitable for pedestrian access and urban landscape.

A 3D model of a Traffic Warning Sign, featuring a triangular shape with red border, white background, and black car/curved road illustration, mounted on a metal pole. It has a highly visible, warning-style aesthetic and low polygon design for clarity, suitable for road safety and traffic scenario visualization.

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 a pedestrian overpass, featuring a transparent roof, metal railings, and concrete pillars. It has a modern minimalist aesthetic, high polygon details, suitable for urban pedestrian crossing scenarios. Category: Pedestrian Overpass (corrected from "Other").