![](https://capsula.carlos-alonso.com/wp-content/uploads/2012/07/tumblr_lzqs7rrMGk1qh9jr9o1_1280.jpg)
Geometry in nature.
Bladstanden (four images of two blades), The Art of Knowledge: Educational Botanical, Amsterdam (1870-1960).
Geometry in nature.
Bladstanden (four images of two blades), The Art of Knowledge: Educational Botanical, Amsterdam (1870-1960).