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Beauty salon decoration, Kifisia

Golden Section.
Pythagoras claimed to be one of the hidden harmonies of nature. Iktin used it in the construction of the Parthenon and Da Vinci at his lovely nudes. But no one could imagine that it is the form of natural formations in all scales of sizes, from smaller ones, such as shells to the largest ones, such as cyclones and galaxies. The golden section is omnipresent.