| { | |
| "id": "bollard_concrete", | |
| "caption_short": "A round concrete bollard on a sidewalk", | |
| "caption_long": "A cylindrical concrete bollard with a rounded cap, positioned on a paved urban sidewalk near a building wall. The surface shows natural texture and speckling, suggesting durability and use as a permanent barrier to control vehicle access." | |
| } | |