At 225,282 tons, Royal Caribbean’s just unveiled Allure of the Seas is tied with its one-year-old sister, Oasis of the Seas, as the world’s largest cruise ship. What’s the 5,400-passenger vessel like? Eric Bungay of WTSP-TV in Tampa Bay, a sister news outlet to USA TODAY, offers Cruise Log readers a comprehensive, nearly 17-minute video tour of the vessel, which has set sail this week on its first seven-night voyage with paying passengers (click on the video screen above to watch it).