Екатерина Свинцова, Александр Коробейников, “Прелюдия“, к 9 Мая
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![Почему в трубах до сих пор есть свинец? [Минутка Земли]](https://sun9-43.userapi.com/bN4X2Wlz5D5xo_oFUbHsx9-fHssAshT5anh0YQ/QbNhwYn6Lhg.jpg)
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