rainbow, 彩虹

A rainbow forms when light is reflected and refracted in water droplets, or in other liquids or surfaces. Because they are formed by droplets above the ground, centred on a line from the sun to the viewer’s eye, this means they are visible from a distance. This means it is not possible to ‘fly through’ a rainbow

Photographer Melissa Rensen's stunning shots flying over the Carribean Sea | Daily Mail Online
Read more: http://www.dailymail.co.uk/sciencetech/article-2811239/Somewhere-rainbow-Photographer-captures-stunning-shots-flies-kaleidoscope-colours.html#ixzz3HTbcUNbx
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