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From Horse Pulled Wagons…to Bullet Trains

From Horse Pulled Wagons…to Bullet Trains

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मानव सत्यापन

8.0
धन्यवाद, आपका वोट दर्ज किया गया था और जल्द ही दिखाया जाएगा।
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वीडियो का विवरण:

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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