This has man-made written all over it. :exhausted
Why would extraterrestrial (who seem to be pagan) come to planet Earth?
^Observe the 6 sided star, the all seeing eye and the classic pyramid. These symbols emerged from Humans.
Genuine crop circles have heat applied, and the evidence is physical, scientific and proved.Others are made by nature. Tornadoes or miniture winds make these.
The more complicated ones are made by humans.
The ones in Wiltshire, it is obvious why they are made by man:
The crop circle season extends from April to harvesting in September, and is believed to be worth millions of pounds to the local economy.