Istanbul’s Bosphorus Waters Have Turned Turquoise Blue

The waters of Istanbul’s Bosphorus strait which divide Europe from Asia have turned a Caribbean like turquoise from their normal dark blue color.  According to NASA, who can actually see the color change in satellite images taken from space, the cause is a bloom of phytoplankton.

But don’t be fooled; phytoplankton bloom means the waters of the Bosphorous, Golden Horn, and Black Sea are actually filled with microscopic organisms.  In fact, phytoplankton “are floating, microscopic organisms that make their own food from sunlight and dissolved nutrients.”

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