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Titanic wreck diver Paul Henri Nargeolet: 'We are resurfacing the history of these families'
The diver who has spent more time than any other at the wreck of the RMS Titanic, Paul Henri Nargeolet, tells Ellie O’Byrne about the joys and controversies of his work, as he prepares to host a talk about his work in Cork, where his family lives.