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  1. David Johns (@davidjohns_itv)

'Heart of Oak' opens at Chatham Dockyard

They were the force that made Britain great. The wooden warships ships built at Chatham in the 1700s were unstoppable and helped create the British Empire. Now a new multimedia exhibition at the dockyard is celebrating their history and bringing it to life with digital technology.

David Johns reports, talking first to Preservation Officer Richard Holdsworth then actor Dave Norman.