Ключевые слова: among, antarctic circle, arctic, blue, boat, breaking, coast, cold, covered, cruise, deck, drift ice sea, drift ice station, floating, floating ice, floating iceberg, floe, harbor, hokkaido, hokkaido japan, hokkaido winter, horizon, ice, ice background, ice breaker, icebreaker, industrial, marine, maritime, nature ice, norway, ocean, okhotsk, port, river, sail, sea, sea hokkaido, ship, ship ice, shipping, snow, strong, tug, underway, vehicle, water, white, winter, winter ice,