Before you get too freaked out, they appear to be part of a clever marketing campaign called Mysterious Circles.
The website doesn’t give much details away but below is a short clip they have put together.
Credit: Dominic Lipinski/PA Wire/Press Association ImagesTo watch to this video file please visit http://jrnl.ie/1150491
Credit: Jason DeCrow/AP/Press Association Images
YouTube credit: mysteriouscircles
(h/t: Pog Mo Goal)
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