This turquoise gem is what summer looks like in southeastern Alaska.
https://www-newz.blogspot.com/2014/08/this-turquoise-gem-is-what-summer-looks.html
This turquoise gem is what summer looks like in southeastern Alaska. From an altitude twice that of commercial jets, NASA's arctic research airplane ER-2—a civilian version of the Air Force's U2-S reconnaissance plane—captured this view of a summertime melt pond atop a glacier on July 16, 2014. [NASA Earth Observatory]
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