SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Industrial pollution. Smoke rising from a row of open-hearth furnace chimneys at a steelworks. Here, iron ore is processed and turned into steel products. This is a JSC Severstal steelworks, near Cherepovets, in the Vologda region of Russia. Photographed in 2007.
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