editorial素材 - Helsinki, Finland - 4 Sept. 2018: Finnish icebreakers Polaris and Kontio. Polaris is the most environmentally friendly diesel-electric icebreaker in the world, a masterpiece shipbuilding expertise
Helsinki, Finland - 4 Sept. 2018: Finnish icebreakers Polaris and Kontio. Polaris is the most environmentally friendly diesel-electric icebreaker in the world, a masterpiece shipbuilding expertise