Modern Marvels - Building A Skyscraper (4): The Arteries

Seizoen: 10 - Aflevering: 35 / 349 - Eerst uitgezonden: 07 september 2004 - Episode ID: 182369

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.