"ghosts does not" walk thru walls. Several cases of this, after investigating each place, the site was rebuilt or remodeled. There's some video of a ghost "walking" thru an artificial lake in Disneyland, but before the lake was added, there was a sidewalk in the same place the ghost walked ...
Maybe they are ghosts. Living humans normally can't change their clothes and hats and looks just by walking from one room to another. And the backgrounds change around so much. Either this is proof of supernatural activities or it's pure clickbait junk. (Thought about saying "clickbait shit" but figured I would keep it clean.)