How Do They Do It?

3:00 PM to 3:30 PM

Tuesday 27 October

Tunnels/Timber

Season 12 Episode 20 of 20

Exploring the construction of large tunnels in one of the world's biggest cities to prevent blackouts, and a look at how a pine forest is turned into timber

How Do They Do It? airs on Discovery Channel HD at 3:00 PM, Tuesday 27 October. (Subtitles.)

Learn more about How Do They Do It? and other education/science/factual topics on our factual page

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