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Pigs can see the sky laying down
While standing up, their neck muscles cannot move upward to look at the sky.
The Declaration • March 31, 2020 • https://thedeclarationatcoloniahigh.com/47416/fun-factofthe-day/it-is-physically-impossible-for-pigs-to-look-up-into-the-sky/
It is physically impossible for pigs to look up into the sky