How China Built the Most Extreme Metro Ever

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This metro in China literally passes through a building. Welcome to Chongqing — home to the most extreme metro system on Earth. But where exactly is this place, and how did such an ambitious transit system come to life? Today we’ll be taking a look at this record-breaking metro up close. 0:00 China Built the Most Extreme Metro Ever 0:34 The Mega City of Chongqing 2:00 How the Metro Was Planned 3:48 Breaking World Records 7:03 How Was This Metro Built? 7:50 Monorail vs. Conventional Rail 10:45 Timeline of Construction 11:01 The Train That Goes Through a Building 12:22 Expanding the Network