9 Tymor
158 Pennod
MegaStructures - Season 3 Episode 15
Concrete: It is the most widely used building material on earth. It was a building block of the Roman Empire and is a material of choice for a new generation of gravity-defying skyscrapers. From the sidewalks of New York to the fast-growing Burj Dubai, slated to be the worlds tallest building when it is completed in 2008, concrete continues to be a crucial tool of engineers and architects alike. Concrete's footprint is everywhere.
- Blwyddyn: 2012
- Gwlad: United States of America
- Genre: Documentary
- Stiwdio: National Geographic
- Allweddair:
- Cyfarwyddwr:
- Cast: