[mnehring]

Do they know where they come from? What is the most popular theory? Just wondering.

There is a whole underground group of artists who do this, kind of like graffiti tagging..

[Dust in the Wind]

Do they know where they come from? What is the most popular theory? Just wondering.

There is a whole underground group of artists who do this, kind of like graffiti tagging..

Crop circle theorists believe the patterns are created by UFOs during nocturnal visits,

...Unidentified Foot Operatives...