A Norwegian cruise operator says it will power its fleet of ships partly through liquified biogas -- which is produced from dead fish and other organic waste.
원문출처 : https://www.cnn.com/travel/article/dead-fish-cruise-scli-intl/index.html
원문출처 : https://www.cnn.com/travel/article/dead-fish-cruise-scli-intl/index.html