Quadruple rainbow puts double rainbow to shame but what does it mean?!

[news]

http://i.cbc.ca/1.3044176.1429726038!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/what-does-it-mean.jpg An image of a quadruple rainbow painting the New York sky multicoloured was captured by a New York fashionista.


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