In Key West, testing shows cruise ships stir up as much sediment as a hurricane / Horror moment Crown Princess cruise ship flung about in rough seas as 16 hurt and furniture smashed / Cruise passengers urged to 'avoid these ships' if they suffer from seasickness / Cruise ship journeys from hell - 'sewage on walls' to tragic 'falling man' photo / Cruise ship passengers told to 'stay onboard' on port days for six reasons / Luxury cruise ship passengers on hunger strike after engine failure wrecks dream polar voyage / Disney Cruise Line ship rescues 4 from boat taking on water / Cruise ship horror as passenger died when 30ft waves battered boat / Cruise ship horror as investigation uncovers maggots and decomposing bird