Ключевые слова: background, boot, city, cold, day, direction, discovery, foot, footmark, footpath, footprint, footstep, frost, frozen, human, layer, line, moving, nobody, outdoors, overlay, pattern, powder, road, scene, season, shoes, snow, snowy, stairs, step, street, texture, textured, tire, trace, track, traffic, trail, transport, tyre, urban, walk, way, weather, wheel, white, winter,