Megastructures Big History : Season 1 Episode 5
H2 22m int(0)
Aired: November 16th, 2013 @ 10:00 PM EST on H2
From the Great Pyramid at Giza to the towering skyscrapers of today, why do people have the urge to build tall structures, and how do these megastructures reflect a basic principle embedded in the very structure of the universe?