How special interest cruises for fans of music, yoga and sci-fi are revamping the industry.
Deborah Weitzmann goes on a blues cruise to find out how the speciality cruise industry works and why it's growing in popularity. She also heads off the ship to find out what happens to on-shore businesses when all the entertainment is on the ship.
Presenter / producer: Deborah Weitzmann
Image: Legendary Rhythm and blues cruise; Credit: BBC
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