Watch Building Giants Season 4 Episode 3 online free

Run Time: .

IMDb: IMDb 7.9.

Episode name: Underground Mega Highway .

Air Date: 20 May 2020.

Genre: documentary tv shows.

Episode Info: An expert team of engineers use hi-tech explosions and state-of-the-art drilling rigs to tear through solid granite and build an 11-mile underground tunnel, one of the longest in the world.

Story: From the worlds longest tunnels to the worlds most advanced skyscraper, Building Giants reveals the extraordinary innovations that help record-breaking superstructures to be built, and uncovers the inner secrets of how they work. .

Creator: .

Country: .

Cast:

Julian Barratt
Self - Narrator

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Erleen Hatfield
Project Manager

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Avrey Martin

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Linus Levinson

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Watch Building Giants season 4 episode 3 Online Free,

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