Ключевые слова: activities, adults, angle, body, boot, challenge, choice, color, competition, competitive, concepts, copy, day, foot, forward, healthy, horizontal, human, image, legs, males, man, marathon, men, motion, muscular, nature, one, only, outdoors, part, people, person, pursuit, recreational, road, scene, scenics, space, street, sunlight, training, view, walking, way,