Phytoplankton Have Turned The Bosphorus A Stunning Turquoise
When conditions are right, phytoplankton populations can grow explosively. And the ones blooming in the Black Sea right now are reflective, turning the usually dark water bright and milky.
The Bosphorus is a strait that separates Europe from Asia — and in recent days, its normally dark blue waters have turned a remarkable turquoise.
Some residents of Istanbul, noticing the suddenly bright.
