. . "crop circle" . . . . . . . . . "Crop circle" . . . . . . . "crop-circle" . "geometrical destruction of English crops" . "interplanetary distress signal" . "Crop Circles" . . . . . "Crop circles" . "signal" . . . . "alien landing areas" . "those" . "Doug Bower and Dave Chorley" . . . . . . . "Crop circle" . . "Crop Circle" . .