Aired Monday October 25, 10:00pm - 10:30pmon Quest HD

How Do They Do It?

Series 12 Episode 20

How do they build massive tunnels to prevent blackouts in one of the world's biggest cities, and how do they turn millions of hectares of pine forest into perfect pieces of timber?

Category
Documentary / Educational / Science
Original air date
2015-03-27
Cast and crew
  • Chris BroylesNarrator