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Close up of the explorer.

A travel company has launched the ultimate in tourist day trips - visiting never-seen-before Roman shipwrecks 500ft below the surface in a James Bond-style submarines.

For the first time ever adventurous daytrippers are being given the chance to join a marine archaeology expedition to research the newly-discovered 2,000-year-old wrecks off the coast of Sicily.

But grockles wanting to join the pioneering mission will need deep pockets - because prices for the trip start at £15,000 and go up to an eye-watering £160,000.