Dyckia hebdingii Arco-íris and the Windmills of your mind...

"Round,
Like a circle in a spiral
Like a wheel within a wheel
Never ending or beginning 
On an ever-spinning reel..."

https://www.youtube.com/watch?v=WEhS9Y9HYjU

https://www.youtube.com/watch?v=8TtdW--jhAQ

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