Modern Marvels
Building a Skyscraper (1): The Skeleton (11x35)
Air date: Sep 06, 2004
Skyscrapers are an extraordinary feat of human engineering: exposing millions of pounds of concrete and steel to the enemy forces of wind and gravity. Each of these tools has evolved over the 100-plus year history of the skyscraper era.
- Premiered: Dec 1993
- Episodes: 808
- Followers: 76