1 | "This is definitely smog, not sand, " said the first spokesman. | |
2 | Dust billowed behind their vehicle and hung in the arid, Southern California air. | |
3 | Winds can stir dust, however, when storm fronts arise in the region. | |
4 | Though much of the Altiplano is hidden beneath dust, the region' s distinctive salt pans are visible. | |
5 | The sand and dust were swept thousands of kilometers south and east from the arid terrain of Inner Mongolia. |