Season 12 · Episode 20 of 20
Aired Oct 1, 2015
Power Tunnel, Pizza Ovens, Playhouses
Thu, Oct 1, 2015
Streaming on HBO Max, DirecTV On Demand, Discovery+, Science GO + 8 more
0 of 20 watched this season
How do they build tunnels to prevent blackouts in one of the world's biggest cities? How do they turn millions of hectares of pine forest into perfect pieces of timber?
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Airs
Thu, Oct 1, 2015
Show
How Do They Do It?
287 episodes
Episode
S12 · E20
in How Do They Do It?