Aliens... Do they really exist? Are we really all alone in the universe? Perhaps it depends on your definition of the term "alien"; perhaps your stereotypical small-bodied Grey or maybe something as simple as a microbe could define this term. But how could we know that aliens exist? Some think that crop circles are a sign that aliens not only exist but have visited earth. With reports dating back centuries, this concept is not foreign. Many crop circles are localized to southern England however ...
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