Crop circles can be associated with Land art because of these shapes which are doing in fields. They appeared in a lot of places in the world. We don’t really know who are creators of these shapes but in an arial view we can see drawings with an impressive geometric and mathematical forms. It’s almost impossible for some people to created something so perfect, by the way these forms continue to appeared in the world without explanations. Every person have his own explanation about this phenomenon, we are free to believe what we want about that, there is different theory.
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The Land Art 