Moving Millions Every Day: Trains That Make Cities | FD Engineering

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Moving Millions Every Day: Trains That Make Cities | The Commute | How Trains Changed the World | FD Engineering

The world’s 10 busiest metro systems carry more than 22 billion passengers every year. How has the train shaped cities - and changed the world?

The invention of trains transformed everything about how humans lived. There are few aspects of civilization that were left untouched by these machines.
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