Ключевые слова: abstract, africa, arid, background, barren, black, bottom, broken, brown, clay, climate, concrete, crack, damaged, dead, dehydrated, desert, detail, dirt, disaster, drought, dry, dust, earth, ecology, effect, environment, environmental, extreme, ground, grunge, heat, hot, land, mud, natural, nature, pattern, relief, river, sand, soil, steppe, stone, summer, sun, surface, texture, top, water,