Between midnight and 06:00, the roads are first swept and jetwashed by a machine similar to a road dust sweeper.

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The road was almost obscured by the dust kicked up by the trucks in front of us.

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The donkey is having a little dust bath in the road before the arrival of the Streetview car.

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It turns into a rutted, dust-covered dirt road that stretches on for another hundred miles, and is sometimes buried so deep in sand that motorcyclists cannot get up the hills.

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In the foot-well and the wheel arches, scientists found traces of a distinctive mix of chalk, brick dust and concrete used to cover the road leading to the ditch.

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We were in the dust behind Carlos and when we went off the road we hit a big tree.

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Tracing a diagram of his evacuation path on the dust of the floor, he described driving down a narrow road between the rice paddies.

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After two nights in the one-horse town of San - one tarred road, one half-decent hotel, no supermarket, lots of dust - I felt I deserved some good luck.

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