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Is this alien crop circle an intergalactic reply? - Ancient Aliens: The Ultimate Evidence

5:00

When scientists broadcast a coded message into deep space they didn't think they'd ever get a reply. But, nearly 30 years later, a crop circle shows up bearing a striking resemblance. Investigators circle the globe in search of evidence in their quest to determine whether life on Earth began in outer space and if aliens influenced mankind in ancient times. Did extraterrestrial beings visit Earth and share information about technology and influence human religions?