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Marek Ostrowski
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SAMPER sci-art

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La Polonia dal Volo di un’Aquila

THE VISTULA RIVER IN WARSAW



The natural character of the Vistula river-bed close to Warsaw and the continual refreshing of the river's bottom layer of sand and gravel by the current, favour the natural process of water cleaning. The great Warsaw agglomeration makes use of this pure water.
 
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