You might have noticed while you're traveling that there are some posts or fences that have purple paint on them, and you might have wondered what those meant. Is it just a sign of unfinished paint work or is there some kind of deep, hidden meaning behind it? Or perhaps, it's a secret message between two people. Well, it's none of those things. Reader's Digest gives us a quick explanation to what these purple-painted fences are all about.
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