Modern Marvels - Building A Skyscraper (3): The Human Environment

Seizoen: 10 - Aflevering: 34 / 348 - Eerst uitgezonden: 07 september 2004 - Episode ID: 182368

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.