Rising to more than 1,000m, the Rosemary Bank Seamount is home to millions of deep-sea animals.Read more
Scientists are shocked at what they find in the polluted waters, but say there is hope.
Three years ago a giant Airbus jet was deliberately sunk off the coast of Kusadasi in Turkey.
Experts predict that marine species are moving into new habitats, partly due to climate change.
Kelp forests are an important marine environment but are being destroyed by changing fishing methods.