Paint fumes or dried plants could ignite. Or perhaps an object in the light’s path was a lens. I have even heard of 2 liter PET bottles (used to scare away cats) causing fires, though they were full of water.
Paint fumes or dried plants could ignite. Or perhaps an object in the light’s path was a lens. I have even heard of 2 liter PET bottles (used to scare away cats) causing fires, though they were full of water.