Abandoned coal slag heap. Close-up of an abandoned coal slag heap near Witbank, Mpumalanga, South Africa. Slag heaps like this often contain toxic hea

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Abandoned coal slag heap. Close-up of an abandoned coal slag heap near Witbank, Mpumalanga, South Africa. Slag heaps like this often contain toxic heavy metals and pose a serious health risk to people living nearby. According to a European Union research team, the area around Witbank is said to have the most polluted air in the world.

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Size: 3744px × 5616px
Photo credit: © DR NEIL OVERY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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