Ключевые слова: adventure, amazing, america, back country, canyon, clear, dawn, deep, dusk, fresh, geology, glow, golden, grand canyon, high, hiking, landscape, light, morning, nature, park, peak, pine, raft, river, rock, season, sky, spring, steep, stream, summer, tourism, tourist, travel, trekking, water fall, west, wild, wild life, wyoming, yellowstone national,