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An expert team of engineers are using cutting-edge tech and the latest construction methods to build Los Angeles's biggest engineering project ever: a series of brand-new subway lines in durable, earthquake-proof tunnels.
First Air Date : Jan 04, 2018
Last Air date : Jul 01, 2020
Episode : 29 Episode
Season : 4 Season
Runtime: 45 minutes
Studio: Science
Country: United Kingdom, United States of America
Cast: Julian Barratt
Crew: