The \'AIDAnova\' cruise ship in the Meyer Werft shipyards on August 21, 2018 in Papenburg, Germany. The newly-completed 184,000-tonne ship, which is 337 meters long and can accommodate 6,600 passengers, cast and crew. AIDAnova is the World\'s first liquefied natural gas (LNG)-Powered Cruise Ship. (Photo/Agencies)