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Canon EOS M100
72mm, f6. 3 + 16mm Macro extension
Images collaged.
Growth cycle of a sunflower.
Starting from the lower left and spiraling clockwise to the center. Like a Fibonacci sequence 😊.
Actually, the sunflower is a prime example of the Golden Ratio in nature.
Has EarthSky published an article on the Golden Ratio? It's fascinating. So many examples in Nature and Astronomy!