How the world's first metro system was built - Christian Wolmar

Learn more about our student voice program, TED-Ed Clubs: http://bit.ly/2J5g4eS View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmar It was the dawn of 1863, and London's not-yet-opened 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 built at a time when no one had built a railway under a city before. Lesson by Christian Wolmar, animation by TED-Ed. Thank you so much to our patrons for your support! Without you this video would not be possible! Kyanta Yap, Shawar Khan, Elizabeth Cruz, Rohan Gupta, Sarah Lundegaard, Michael Braun-Boghos, Yujing Jiang, Aubrie Groesbeck, Kathryn J Hammond, sammie goh, Delene McCoy, Mayank Kaul, Ruth Fang, Scott Gass, Mary Sawyer, Jason A Saslow, Joanne Luce, Rishi Pasham, Bruno Pinho, and Javier Aldavaz.