Ключевые слова: america, area, arizona, attraction, blue, brown, bush, canyon, cliff, colorado, colorful, deep, desert, environment, environmental, erosion, famous, formation, geological, geology, gorge, grand, grand canyon, holiday, landscape, monument, national, outside, park, plateau, point, rim, river, rock, shrub, sightseeing, sky, slope, south, state, steep, sun, tourism, tourist, trail, travel, united, usa, vacation, view,