Ancient Aliens S15 E11 - The Ultimate Guide to UFOs

Ancient Aliens

Ancient Aliens S15 E11 - The Ultimate Guide to UFOs
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UFO witnesses have reported a wide variety of objects in Earth's skies--and not only in modern times, but for centuries. What might we learn from examining their shapes, sizes, and the way they maneuver' Could they offer important clues about other intelligent life in our galaxy'