Hues of blue
May 5, 2014 17:58:13 #
I found the stripes of different blue tones quite fascinating....
May 5, 2014 20:46:00 #
This is why Astronauts called Earth the Blue Marble the first time it was seen from space.
May 6, 2014 12:27:43 #
May 6, 2014 19:11:24 #
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