Growing awareness of the climate crisis means conscientious travelers are increasingly looking for alternatives to trips by airplane.
원문출처 : https://www.cnn.com/travel/article/hybrid-air-vehicles-airship-scli-intl-gbr/index.html
원문출처 : https://www.cnn.com/travel/article/hybrid-air-vehicles-airship-scli-intl-gbr/index.html