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Moraine Lake, Banff National Park, Canadian Rockies

 

According to a Wikipedia entry, "the lake gets its color from the refraction of light off the rock flour deposited in the lake on a continual basis. Rock flour, or glacial flour, consists of clay-sized particles of rock, generated by glacial erosion or by artificial grinding to a similar size. Because the material is very small, it is suspended in river water making the water appear cloudy. If the river flows into a glacial lake, the lake may appear turqoise in color as a result."

And years ago, this view was on the back of the 20 dollar Canadian bills.

Voilà :-)

 

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Taken on May 28, 2008