| 1 | But Baotou has paid a steep price for its supremacy. | |
| 2 | Neodymium at a factory in Baotou, Inner Mongolia, China. Its price has quadrupled in the past year. | |
| 3 | The Chinese government may eventually be able to regulate the large rare earth mining industry around Baotou. | |
| 4 | Chimneys from a rare earth smelting plant rise into the sky as heavily polluted discharges pour into the water near Baotou in Inner Mongolia. | |
| 5 | Chimneys from a rare earth smelting plant rise into the sky as heavily polluted discharges pour into the water near Baotou in Inner Mongolia. |
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