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, saint santa, sao, soil, structure, sulfides, sulfur, sundays, tourism, travel, water, water pit,