Ключевые слова: abandoned, alentejo, architecture, beautiful, bricks, building, buildings, construction, copper, danger, deserted, domingos, earth, environment, environmental, europe, extraction, geology, gold, heavy, historic, industrial, industry, iron, landscape, mertola, metal, mina, mine, mineral, nobody, old, outdoor, park, portugal, portuguese, pyrite, railway, red, rock, ruins, sao, sao domingos, scenic, stone, structure, sulfide, sulfur, view, work,