Causes of Crop Circles : with view point (80% manmade)

The Cause of Crop Circles <Tab/>There are many theories attempting to explain the occurrence of crop circles throughout the world. Many people either believe that humans or extraterrestrials make the circles. With the research I have done on the subject, I argue that beings of higher intelligence than humans create the crop formations. However, I am not denying the fact that humans make some crop circles as well. It is …

…It is impossible for humans to create all the crop circles that occur today, and people who claim to have created the circles are unable to prove they made them. With all the understanding needed to create the beautiful and spectacular designs, a being of very high intelligence is most likely to be the architect. Therefore, one should not rule out that extraterrestrials are capable of creating formations because the real cause is still unknown.