Modern Marvels - Building A Skyscraper (1): The Skeleton

Seizoen: 10 - Aflevering: 32 / 346 - Eerst uitgezonden: 06 september 2004 - Episode ID: 182366

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.