Ключевые слова: achievement, activity, adventure, aim, alone, altitude, back, backpack, boy, cliff, climb, cloud, concept, danger, empty, excitement, explore, extreme, far, grass, guy, hike, hiking, horizon, landscaped, lifestyle, man, mountain, nature, outdoor, panorama, peak, rock, scale, sky, sport, step, stone, street, success, top, tourist, travel, tree, trekking, vacation, view, walk, way, young,