Ключевые слова: abstract, antarctica, antelope, arizona, background, beauty, blue, bright, canyon, cave, cold, color, crystal, desert, eco, erosion, geological, geology, hole, ice, illuminated, inside, landscape, light, natural, nature, navajo, nobody, north, outdoors, pattern, purple, red, rock, sand, sandstone, scenic, shadow, stalactite, stalagmite, stone, texture, tourism, travel, upper, usa, wall, water, white, yellow,