SYDNEY, AUSTRALIA - DECEMBER 15: MS Ovation of the Seas docks for the first time at Overseas Passenger Terminal on December 15, 2016 in Sydney, Australia. Royal Caribbean's Ovation of the Seas has made its debut voyage to Australia this week, arriving in Perth then travelling to Adelaide, Hobart and Sydney. At the length of 348 m (1,142 ft) and gross tonnage of 168,666, it's the world's fourth-biggest cruise ship, and the largest to visit Australia. (Photo by Matt Blyth/Getty Images)
