Ключевые слова: abstract, animal, background, bird, black, cold, crisp, december, direction, dove, ecology, foot, footmarks, footprint, footstep, freeze, frost, frozen, ground, human, ice, many, mark, meet, motion, nature, outdoor, pattern, pet, pigeon, print, river, season, shadows, snow, step, sunrise, texture, trace, track, trail, walk, warm, water, way, white, wild, winter, wintertime,