Drawing the Hackpen Hill (3) crop circle | From the Crop Circle Geometry Workshop held at our annual conference in 2018 Sep 18, 2018 | 0 comments Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Please enter an answer in digits:11 − 7 =
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