Ключевые слова: america, area, arid, barren, barricade, brow, canyon, cliff, colorful, coloured, conservation, countryside, danger, difficulty, dry, eroded, formation, hard, high, hot, landscape, mountain, national, natural, nature, nevada, nobody, outdoor, outdoors, panorama, park, peak, protect, red, risk, rock, rocky, scene, scenic, sky, southwest, space, states, stone, strong, top, united, usa, valley, vista,