Graveyards are places where etheric decantation happens. The spread of dense electromagnetic fields from disembodiments and sorrow, heavy in antimatter and quantum particles with distorted spins floods the soil and atmosphere, so caution is necessary before entering these premises. It is not about haunting or spirits, it is about subtle matter with reverse polarity affecting your electromagnetic field.
A safe way of entering a cemetery is by imagining a strong purple light around you – as this would anchor one’s polarities. Additionally, asking the cemetery’s “invisible guardian” for permission is a great way of having a extra layer of protection from antiparticles.