The Harmony of the Seas class ship docks at at the STX shipyard in Saint-Nazaire, western France, during the delivery ceremony, Thursday, May 12, 2016. With a capacity of 6.296 passengers and 2.384 crew members, the Harmony of the Seas, built by STX France for the Royal Caribbean International, is the world's largest ship cruise. (AP Photo/Laetitia Notarianni)