Clean-up of Turkey’s Sea of Marmara – in pictures

Turkey vowed to save the Sea of Marmara a month ago by launching a disaster management programme aimed at cleaning up the slimy “sea snot” outbreak threatening marine life and the fishing industry. The thick layer of organic matter, known as marine mucilage, had spread through the sea south of Istanbul covering harbours, shorelines and swathes of the surface. Some had sunk below the waves, suffocating seabed life.