These are real enough. Anothert really intresting thing about them is though the soil in the circle is barren there is a ring of soil just putside the circle which is seemingly more fertile than the surrounding soil.
here's a slightly better article on it:
It is obviously the work of fairies.
Hmm, I was trying to find some pics of these things, because they sound quite similar to the devils tramping ground I've got up the street.
Here is one pic I managed to find of a fairy circle
And a pic of the tramping ground to save you the trouble
The main difference, from what I read about the fairy circles, there are many of them in africa, whereas this is the only one I know of around here.
They just need some fertilizer, is all.
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