Building a Skyscraper (3): The Human Environment Modern Marvels : Season 11 Episode 37
TV-PG History 1h 00m
Aired: August 2nd, 2005 @ 10:00 PM EST on History
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.
