Mississippi Paddleboats, Waterwall Defence System
- Episode aired 2017
- TV-G
- 25m
How do they build the famous steam-powered paddleboats that cruise the Mississippi River? How did they create the powerful defence system called 'the waterwall'?How do they build the famous steam-powered paddleboats that cruise the Mississippi River? How did they create the powerful defence system called 'the waterwall'?How do they build the famous steam-powered paddleboats that cruise the Mississippi River? How did they create the powerful defence system called 'the waterwall'?