A sudden change in the colour of the Bosphorus Strait that divides the continents of Europe and Asia in Turkey’s largest city Istanbul has surprised residents, with scientists putting it down to a surge in a species of plankton across the Black Sea.
A sudden change in the colour of the Bosphorus Strait that divides the continents of Europe and Asia in Turkey’s largest city Istanbul has surprised residents, with scientists putting it down to a surge in a species of plankton across the Black Sea.