Ключевые слова: active, adrenaline, adventure, alaska, alpine, beauty, blue, cave, cavern, cliff, cold, crevasse, danger, dark, darkness, destination, excitement, explore, freeze, glacier, guide, ice, ice cave, icy, landscape, light, matanuska, matanuska glacier, natural, nature, neat, outdoors, outside, scary, scenery, scenic, sightseeing, spelunking, summer, tourism, trapped, travel, tunnel, underground, vacation, wild, wilderness, winter,