Nat Geo - Big Bigger Biggest Collection 1 (2009-2012) Part 2 Train

Big Bigger Biggest Collection 1

Look at engineering leaps that have helped different types of structures go from big to bigger to biggest.

Part 2 Train

The French Train Grande Vitesse, known as the TGV regularly reaches speeds exceeding 300 kilometers per hour. In special tests the train has been pushed to 575 kilometers per hour making it the fastest on earth. This EPISODE explores how the TGV was made possible through a series of four historic engineering breakthroughs.

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