Modern Marvels - Concrete

Seizoen: 6 - Aflevering: 16 / 119 - Eerst uitgezonden: 31 mei 2000 - Episode ID: 449485

Invented by the ancient Romans, concrete is a relatively simple formula that changed the world. Concrete has been used to divide an entire country, as in the Berlin Wall, and to unite nations, as in the Chunnel. We'll review the history of this building block of civilization and look at modern applications