Ключевые слова: aged, arizona, backdrop, background, bright angel trail, brown, campground, canyon, cliff, communication, contact, desert, destination, directions, emergency, geology, grand canyon, grand canyon national park, hiking, horizontal, indian gardens, information, intersection, landscape, leaning, line, lookout, national park, nature, outdoor, phone, pole, post, recreation, rock, safety, sign, sports, surface, telephone, texture, tonto, trail, wall, west, wilderness, wooden,