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Toxic City: The Cost of Gold Mining in South Africa

In the midst of Johannesburg are mountains of sandy dirt - tall, geometric, and as much a part of the landscape as the city's glittering skyline.
Winds stir up dust from the dunes and carry it to nearby homes where it settles on roofs, roads, and areas where children play, often in South Africa's poorest townships.
But what look like natural landmarks are in fact piles of waste from the country's 130-year-old gold industry and contain heavy metals like lead and arsenic as well as radioactive waste.



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