Ключевые слова: abstract, algae, arctic, aspicilia cinera, backdrop, background, close up, closeup, color, colorful, covered with lichen, detail, dirty, far north, flora, granite, gray, green, grey, ground, growth, grungy, lichen, lichenous, lichens, macro, material, mineral, moss, multicolored, natural, natural background, nature, nordic, northern, old, outdoor, pattern, plant, rock, rough, siberia, spotted, stone, surface, texture, textured, vegetation, wall, wild,