straight wet steps with algae and mold - poor indoor environment - haunted and horror - sick building syndrome

algae ancient anxiety bad building climb climbing condition curse cursed danger depression dirty eerie environment ergonomics fear fearsome ghost ghostly haunted haunting horrific horror house indoor interior jinxed ladder level maintained maintenance moist mold moldy mysterious panic parapsychology phenomena plate pooely poor possessed psychic ruined ruins safety sick site soiled spirit spooky stair staircase stairs stairway stairwell step steps straight supernatural syndrome terror unclean unhygienic unknown unsafe upstairs ventilation wet