Ключевые слова: alley, art, background, boot, clue, concept, contour, crime, design, element, evidence, explore, flat, foot, footmark, footpath, footprint, footstep, footwear, graphic, heel, hiking, human, icon, identity, illustration, imprint, isolated, leg, man, mark, minimal, mystery, outdoors, outline, paint, path, pattern, person, print, search, seek, set, shape, shoe, shoeprint, sign, silhouette, sole, stamp, step, street, symbol, texture, trace, track, tracking, trail, urban, walk, walker, walking path, white,