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fragile – adj. easily broken or damaged
cruise – adj. a kind of boat or ship that travels to a number of places for vacation
adventure tourism – n. tourism that involves travel to remote areas and usually involve physically challenging activities
realization – n. the state of understanding or becoming aware of something
deposit – n. an amount of a substance (such as oil or coal) that exists naturally in the ground
icebreaker – n. a special ship that can move through icy water by cutting the ice
complicated – adj. something that is sure to happen or be successful
Nordic – adj. of or relating to Sweden, Norway, Denmark, and sometimes Finland and Iceland, or to the people who live there
ice floe – n. a large, flat area of ice floating in the ocean
ice sheet – n. a very large and thick area of ice that covers a region
frontier – n. a distant area where few people live
ridge – n. a long area of land that is on top of a mountain or hill
