The ground still shows the path cut deep into the earth by the wheels of thousands of wagons.

VOA: special.2009.03.30

Later, at Detroit airport, the tiniest thing - in a cafe, a man saw another customer's suit-bag flop onto the ground at a nearby table, into the path of oncoming travellers and their wheelie bags.

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Power is generated by the wing flying in a circular path, with electricity transmitted to the ground via the conducting core of the tether.

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The giant ferns and trees of prehistory crowded in on a silver path that hovered six inches above the ground.

ECONOMIST: Ray Bradbury