Horrifying History on Instagram: "In this surveillance-style video, a man is seen cleaning a swimming pool at night. The scene starts calmly, but the atmosphere quickly turns eerie as he begins to experience strange, unexplained occurrences. He appears to be physically pulled or startled by an invisible force, causing him to react with fear and confusion. At one point, he seems to be dragged toward the water, struggling against an unseen entity. His distress is evident as he frantically looks ar