무료 동영상 감상 From Horse Pulled Wagons…to Bullet Trains

(210 MB) 26 Aug 2018에 추가됨 99번 플레이됨 아동용 Review
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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.

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