How the worlds first metro system was built Christian Wolmar
Learn more about our student voice program, TEDEd Clubs: View full lesson: It was the dawn of 1863, and London s notyetopened subway system the first of its kind in the world had the city in an uproar. Most people thought the project, which cost more than 100 million dollars in today s money, would never work. So how did they do it Christian Wolmar explains how the London Underground was
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