I'm going to embed these videos--interesting visual parallel here, a ghostly figure dashes back and forth all the while facing directly perpendicular to a window.
https://youtu.be/c8FyZ8LsGrM?si=Vk3qFD3VF29myo_O&t=1997
https://youtu.be/iHbk4NOhSXQ?si=xVC9E-3GB7x-w9QU&t=720