Ключевые слова: active, activity, adult, adventure, alps, arthritis, background, backpacker, business, caucasian, concept, exercise, fit, fitness, flowers, gravel, happy, health, healthy, hiker, hiking, hill, holiday, independence, jagged, joint, lifestyle, male, man, mountain, nature, old, older, pain, person, portrait, retired, retirement, senior, snow, spectacular, sport, steep, summer, travel, trekking, water, white, wild, yellow,