1 | But how can sandstorms be stopped? | |
2 | The footprints of tourists and the corrosiveness of sand storms are unknown. | |
3 | Sandstorms are becoming increasingly severe in northern China because of land degradation. | |
4 | Without trust, you cannot identify anything; it's like a sandstorm. | |
5 | Salt pans and other dry water features are among the most common sources of dust in the world. |