The St. Louis Arch - S8.E40 - Modern Marvels
It is a majestic structure that rises boldly over the Mississippi river–40,000 tons of steel and concrete that create the biggest arch of its kind in the world. Nothing like it had ever been built before, nor attempted since. We’ll see how its simple and elegant form results from remarkable achievements in construction and engineering.
The St. Louis Arch - S8.E40 - Modern Marvels
December 4, 2001
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