Building Skyscrapers on Chicago's Swampy Soil
Vietmadeco
English - March 04, 2015 22:52 - 8.51 MB - ★★★★★ - 613 ratingsNews Education curious city chicago investigation public radio Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Engineers once compared Chicago’s soggy soil to jelly cake. How did they build a forest of skyscrapers on it?