Building Skyscrapers on Chicago's Swampy Soil
Curious City - En podcast af WBEZ Chicago

Kategorier:
Engineers once compared Chicago’s soggy soil to jelly cake. How did they build a forest of skyscrapers on it?
Curious City - En podcast af WBEZ Chicago
Engineers once compared Chicago’s soggy soil to jelly cake. How did they build a forest of skyscrapers on it?