Princess Cruises unveiled plans for a "multi-million dollar" upgrade of a cruiseship that will add a new youth centre and outfit the vessel for Carnival Corp's latest technology initiative.

The cruise line, which is the main premium brand under the Carnival umbrella, said it will carry out the work on the 3,080-berth Caribbean Princess (built 2014) during a scheduled two-week dry docking in the Bahamas starting 26 March..

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