Ключевые слова: abstract, activity, background, boot, closeup, cold, concept, cool, detail, foot, footprint, footprints, footstep, footsteps, forward, freeze, fresh, frost, hiking, human, ice, imprint, landscape, mark, nature, outdoor, outdoors, pair, pattern, print, pushing, road, season, shoe, snow, sole, stamp, step, texture, trace, track, trail, travel, tread, view, walk, weather, white, winter,