Ключевые слова: abstract, abstract zen, assorted pebbles, background, beach, beach landscape, brown, brown gray colors, colors, earth, earth geology, earthy, earthy materials, geology, gray, landscape, material, mineral, natural, natural backgrounds, natural stones, natural textures, nature, pattern, peaceful, pebbles, river, river minerals, rocks, smooth, smooth river rocks, smooth river stones, smooth surfaces, stones, surface, texture, textured patterns, tranquil, tranquil peaceful, zen,