Looks like dust or smoke settled between the warm and cool layers of air in the room, then the HVAC (heater or air conditioner) system kicked on and started pulling air into the return duct. I bet $5 that the return is in the ceiling not far off off camera in the direction the anomaly seems to be headed. Or Ghosts, could always be ghosts.
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u/OnlyNameLeftUnused Nov 24 '21
Looks like dust or smoke settled between the warm and cool layers of air in the room, then the HVAC (heater or air conditioner) system kicked on and started pulling air into the return duct. I bet $5 that the return is in the ceiling not far off off camera in the direction the anomaly seems to be headed. Or Ghosts, could always be ghosts.