Is this Erich Von Däniken’s favourite Christmas song? A little while back, the Beeb ran a documentary about the medieval view of the universe, where you could find dragons and unicorns, did dog head people have souls, and similar conundrums. It included a tale of villagers who encountered a strange man from the sky. They beat him up, removed an unusual helmet, after which he had problems breathing before dying.  

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The folks in the Middle East seem to have been a bit more relaxed about strange visitors from another world ...