Ключевые слова: activity, alone, boot, cold, concept, deep, direction, foot, footprint, footsteps, freeze, fresh, frost, hiking, human, ice, itinerary, japan, mark, moving, nature, outdoor, pass, pattern, people, person, polar, print, proceed, season, shoe, snow, snowy, step, trace, track, trail, travel, tread, view, walk, way, weather, white, winter,