Thousands of ships were sunk during the second world war. Their wrecks litter the ocean floor.

Decades of corrosion, tidal movements and storms have caused some of them to break up and leak oil.

But now a couple from Australia have launched a grand plan to stop an ensuing ecological disaster.

Al Jazeera's Andrew Thomas reports from Newcastle.

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RT 29 Mar 2020 13:00 CEST