This seems to be where the “circle-and-crescent” style of many French
crop pictures is coming from: consider the Fibonacci sequence (1, 2, 3,
5, 8, 13, 21…) and its many geometric representations!
Thanks to Jain 108
Mathemagics for the diagram shown on the left regarding the numbers 1,
2, 3, 5, 8 and 13. No analogous “circle-and-crescent” diagram for the
number “21” has previously been drawn except in crops, to the best of my
knowledge. A close stylistic match between the number 13” as drawn by
Jain 108, and the number “21” as drawn in crops near Rauwiller (shown at
lower right), seems obvious:
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