Ключевые слова: abstract, artistic, background, beige, contour, cream, crust, detail, earth, element, environment, erosion, erosionlines, flow, flowing, fluid, formation, geological, geologicalfeatures, geology, landform, landscape, layers, limestone, minerals, natural, nature, organic, pattern, ripple, rock, rough, sedimentary, stone, surface, surfaceformation, tan, terrestrial, texture, timeless, unique, water, wave, wavy, weathering,