Ключевые слова: activity, adult, athlete, balance, beautiful, break, cardio, caucasian ethnicity, challenge, closeup, confidence, determined, exercise, feet, female, fitness, flexibility, forest, girl, green, healthy, healthy lifestyle, hispanic, horizontal, jogger, leg, legs, man, marathon, model, motion, muscle, one person, outside, portrait, real people, resting, road, runner, sport, strength, stretch, stretching, thigh, training, warm, warming up, wellness, young,