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Video: Scientists use sonar to create 3D models of Dunkirk shipwrecks | Daily Mail Online
British and French scientists use sonar to create 3D models of Dunkirk shipwrecks. The WWII warship 'Keith', which was 330ft long, is seen for the first time in 80 years as a result of this project, after it sank while helping rescue Allied troops.
β https://www.dailymail.com/video/sciencetech/video-3038503/Video-Scientists-use-sonar-create-3D-models-Dunkirk-shipwrecks.html