World's largest cruise ship with zipline, ice rink delivered

The world's largest cruise ship, which is 1,188 feet long and weighs 228,000 tonnes, has been delivered to cruise line Royal Caribbean ahead of its maiden voyage. The 'Symphony of the Seas' ship features a zipline and an ice rink. It has over 2,700 guest rooms, including two-storey family suites that have a slide connecting the second and first floors.