The world’s most luxury and largest Cruise Ship

 The world’s biggest-ever cruise ship, the 120,000-tonne Harmony of the Seas, has opened its doors to reveal a vast floating town as it was handed over by a French shipyard to its American owners.At 66 metres (217ft), it is the widest cruise ship ever built, while its 362m length makes it 50 metres longer than the height of the Eiffel Tower.