From the outside, the world's biggest and most expensive cruise ship looks like a floating block of flats.
It is only when you are on board the Oasis of the Seas that you start to get a sense of the scale of this enormous liner, which can cater for more than 6,000 passengers.
Everything about the Oasis is vast: it is taller than Nelson's column, it has more than 3,000 miles of electrical cabling - that is about the distance from London to New York - and it weighs more than 225,000 tonnes.
One of the corridors is a quarter of a mile long. You can see the other end, but it never seems to get any closer.
Vegas on water
But what makes this ship different is the stuff that is crammed in it.
Oasis of the Seas
The world's biggest and most expensive cruise ship
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