Close Advertising Crop Circles. The Circles Conspiracy. 1993. It’s 1993 and people are still trying to figure out what is making the crop formations. Doug and Dave have said it was them all … Crop Circles aliens Avebury Busty Taylor colin andrews crop circles crop formations George Wingfield Leonne Star Pat Delgado Pictograms Silbury Hill Steve Alexander stonehenge terence meaden ufos wiltshire 56449 views 0 / 0