The GPO Amethyst Cargo Ship (Full Episode) | Superstructures: Engineering Marvels | Nat Geo https://www.youtube.com/watch?v=yhHQshK3Sjs
Discover the world at Altruu, The Discovery Engine
The GPO Amethyst Cargo Ship (Full Episode) | Superstructures: Engineering Marvels | Nat Geo https://www.youtube.com/watch?v=yhHQshK3Sjs