Desc: Building the World's Most Luxurious Cruise Ship: Directed by Duncan Bulling, Martin Gorst, Joby Lubman, Steve Morgan, Lee Reading, Mat Stimpson. With Julian Barratt. 2 part documentary following engineers and designers as they construct the liner Seven Seas Explorer. The aim of cruise boss Frank Del Rio is to make it the most luxurious ship of its type, designed to convey 750 passengers when others of its size would hold 5,000.