The Oasis of the Seas, the world's largest cruise ship which is owned and operated by Royal Caribbean International, is shown during sea trials in this handout photo taken near Turku September 28, 2009. Royal Caribbean took delivery of the ship October 28 and it is scheduled to leave Finland enroute to its home port of Ft Lauderdale, Florida on October 30. Picture taken September 28, 2009. REUTERS/Royal Caribbean/Handout (FINLAND SOCIETY TRAVEL)