Ключевые слова: abstract, aged, animal, backdrop, background, cat, cement, claw, concrete, day, detail, dirty, dog, finger, floor, foot, footprint, footprints, footstep, ground, hole, imprint, mark, material, natural, nature, outdoor, outdoors, pattern, paw, pet, print, puppy, shape, spoor, steps, street, structure, sunlight, symbol, texture, trace, tracks, trail, view, walk, wet, wildlife, wolf,