Ключевые слова: active, backpack, backpacking, beautiful, boys, casual clothing, caucasian, cloud, cloudy sky, equipment, explorer, friendship, girls, group of person, happy, healthy, hiker, hiking, horizon, landscape, lifestyle, man, mountain, nature, outdoors, protection, recreational, rucksack, shoes, smile, sport, sticks, summer, sunlight, three people, tourist, travel, traveler, trekking, walking, woman, young adult, youth,