Traffic bollards main purpose ↗ is to restrict vehicles to protect pedestrians, and to achieve this, they must be securely anchored to the floor. To cut costs (I guess), most of Mexico City's bollards are poorly anchored thus purely decorative.

• Orange markings on the ground 2025 - ongoing
• Cut pole / Accidental pot 2025 - ongoing
• Ananas 2024 - ongoing
• Public DIY ashtrays 2016 - ongoing