seabed

The accommodation blocks were raised from the seabed towards the end of 1988.

Why would anyone brave hand-numbing cold, icy winds and rough seas - sometimes working through the night - to dig up mud from the Antarctic seabed?

An initiative to lease the seabed around Scotland's coasts, called ScotWind, gave initial backing to 17 new wind farms - which has now been expanded to 20.

WWF Cymru said excess nutrients from farming and sewage were leading to the growth of algal blooms, smothering the seabed.

In the meantime, salvage teams will retrieve the giant mast and the rigging from the seabed and do a final sweep for any other materials that may help the enquiry.