Aired Tuesday August 9, 10:00pm - 10:30pmon Quest

How Do They Do It?

Series 14 Episode 18: Episode 18

How do they build and maintain the famous steam-powered paddleboats that cruise the Mississippi River? And, how did they create the powerful defence system called 'the water wall'?

Category
Documentary / Educational / Science
Original air date
2017-03-03
Cast and crew
  • Chris BroylesNarrator