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From Horse Pulled Wagons…to Bullet Trains

From Horse Pulled Wagons…to Bullet Trains

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Modern transportation technology lets us travel hundreds of miles to go to work, and eat food grown half-way around the world. It's made life much easier for us than it was for our ancestors. But it's caused big problems, too, and given us important choices to make for the future.

Añadido 26 Aug 2018
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