Mystery circle you see on Google Earth and Google Maps

It is commonly referred to in Japanese as "Mystery Circle"Crop Circle" is common in English, and it was said that ARE COREE by an alien at one time, but it seems that it was actually thought that it was made artificially is.

So let's actually look at the crop circle in Google Earth and Google Maps.

Browsing is from the following.
A lot of circles

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Star shape

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In addition, you can see the crop circle as many as you can on the following sites.

Mystery Circle - Google Earth Journey

X51.ENEMA: Discover many crop circles on Google Maps

Google Earth: Top 10 British crop circles - Telegraph