HISTORY Play | Is this alien crop circle an intergalactic reply? | Ancient Aliens: The Ultimate Evidence @historyplayuk | Uploaded May 2023 | Updated October 2024, 9 hours ago.
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. (Series 1 Episode 6)

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