Ключевые слова: abandoned, acid, alentejo, bricks, building, complex, copper, corte, drainage, environment, excavation, forgotten, geology, hill, historic, house, industrial, industry, lake, landscape, mine, mine of sao domingos, miner, mineral, mines, old, open, ore, outdoor, pit, pollution, portugal, portuguese, production, pyrite, reflection, ruins, sao, soil, structure, sulfides, sulfur, sundays, tourism, travel, water, water pit,