Mystery crop circle

Heinle Cengage learning

NATIOAL GEOGRAPHIC

9781424012336

Mystery Crop Circles

level 4.6pt

sum 13.8pt

rest 6.2pt

I have watched mysterious crop circles on TV. I don't know reason that it was made. Among them made by people, but i don't know how to make it. Some of them said alian made it. teams of artists and designers sometimes challenge each other to see who can come up with the best designs. An enormous crop circle can have a huge impact by people. These strange signs have been appearing in local fields and are called crop circle.

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