The world's largest cruise liner on Friday began its maiden voyage to Florida, gliding out from a shipyard in Finland with an amphitheater, basketball courts and an ice rink on board.The 16-deck Oasis of the Seas spans 1,200 feet from bow to stern. Its 2,700 cabins can accommodate 6,300 passengers and 2,100 crew.Commissioned by Royal Caribbean International, the ship cost euro1 billion and took two and a half years to build at the STX Finland Oy shipyard in Turku, southwestern Finland.
