1 Tymor
6 Pennod
Superstructures: Engineering Marvels - Season 1 Episode 2
This episode reveals how cargo ship, GPO Amethyst, transports large structures across the world.
- Blwyddyn: 2019
- Gwlad: United States of America
- Genre: Documentary
- Stiwdio: National Geographic
- Allweddair: miniseries, civil engineering
- Cyfarwyddwr:
- Cast: Trevor Cooper