Turkey's President Recep Tayyip Erdogan says the project is necessary for the safety of Istanbul amid growing ship traffic through the Bosphorus, one of the busiest maritime passages in the world.
Five devices will release oxygen into the sea-snot covered Marmara to help marine life impacted by the mucilage off the coasts of Istanbul and northwestern Kocaeli province.
Istanbul and other cities’ harbours, shorelines and swathes of seawater have been blanketed by the viscous greyish substance, some of which is suffocating life on the seabed.
The slimy, thick marine mucilage has covered vast expanses of water, harbours and endangered marine life.
A temblor of 5.7 magnitude strikes Sea of Marmara, shakes buildings and damages a mosque in Istanbul. Quake also felt in Tekirdag, Bursa, and Kocaeli provinces.
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