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Science Channel – Building Giants: Season 4 (2020) Episode 2 L.A. Mega Rail

Building Giants Series 4 Part 2 LA Mega Rail

Building Giants: Series 4 Part 2 L.A. Mega Rail
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.

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