For most of us, Halloween is just a day when we don a Halloween costume and go to a party or take the kids trick-or-treating. But in many cultures around the world, ghostly superstitions are taken seriously enough to actually affect the way homes are built and maintained. In this infographic, we look at 11 such beliefs, from nailing a horseshoe above the door to skipping the 13th floor (and in some cases, all floors that and in 4) in buildings.
(Click on the infographic below to learn more.)
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