Megosztott hang

Just enough to see darkness inside. I remember thinking it was weird. Most people shut those things properly. But whatever. We finished loading up. Locked our unit. And started walking back to the car. That’s when we heard it. A noise. Metal shifting. Behind us. We both turned. That same unit… was now fully open. Neither of us saw anyone walk up to it. My friend laughed it off. “Probably someone inside.” But something didn’t feel right. No light. No movement. No sound. Just… open. We got into