Some 290 shipwrecks lie in the Belgian part of the North Sea alone, with probably more than 1,000 in the entire North Sea, many of them silent witnesses to the two world wars.
North Sea wrecks: Toxic legacies of war | Hydro International hydro-international.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hydro-international.com Daily Mail and Mail on Sunday newspapers.