The World is a huge residential ship that constantly cruises from city to city for the enjoyment of the people living on board.
It's two years since MS The World last visited London, arriving April 30th 2013 and leaving on May 3rd.
The 196-metre long ship was launched in 2002. She has 12 decks and 165 residences in various sizes on board.
At the time of writing, she is moored at Cartagena, Spain. MS The World is due to call again at Greenwich, London, in July 2016.