Bro, for people that's familiar with magic & spirits ever since a kid.. Thing like spirit house is normal but as i seen you're being freaked out.. Made me wonder, what's wrong with you? You made this video and want to discuss it.. But if you feel uncomfortable then dont do it.. Its the same like asking christian people to make supernatural documentary.
In Thailand the amulets are commercialised. People and Tourist were usually brought to temple and indirectly convinced of religious In China traders commercialised Buddhist sutra sold in CD forms.