Thanks to those who offered some guesses as to the purpose of the mysterious bottles. “The Illuminati” was my favorite response.
Unfortunately no one came up with the right answer, but after further research I believe we have figured it out. There was a guess that it was related to dogs…close, but no. It’s to ward off CATS. Apparently the bottled liquid distorts the cat’s reflection or perception in some way that frightens the cat, so the cat moves on and doesn’t do its business in your planter or on your doorstep.
Yet another valuable lesson we can learn from the French.
Challenge #2 is forthcoming…stay tuned.