Ключевые слова: alentejo, background, big, block, blocks, borba, calcium, construction, crane, digging, estremoz, extraction, geology, heavy, huge, industrial, industry, industry concept, labor, landscape, large, machinery, marble, marble blocks, marble stone, material, mine, mining industry, natural, nature, outdoor, pile, portugal, quarry, raw, resource, rock, sky, stone, structure, surface, transformation, wall, white,