4 Tymor
29 Pennod
Building Giants - Season 4 Episode 2
An expert team of engineers are using cutting-edge tech and the latest construction methods to build Los Angeles's biggest engineering project ever: a series of brand-new subway lines in durable, earthquake-proof tunnels.
- Blwyddyn: 2020
- Gwlad: United Kingdom, United States of America
- Genre: Documentary, Reality
- Stiwdio: Science
- Allweddair: skyscraper, civil engineer, engineer
- Cyfarwyddwr:
- Cast: Julian Barratt