Several strange signs called crop circles have been discovered in the fields of southern England. These mysterious circles are puzzling to everyone, even scientists. There are several theories about who-or what-made them. Could it be humans who did it? Or could it be something else...

Several strange signs called crop circles have been discovered in the fields of southern England. These mysterious circles are puzzling to everyone, even scientists. There are several theories about who-or what-made them. Could it be humans who did it? Or could it be something else...