Tallest Buildings in Chicago over 300m

Chicago is the hometown of skyscrapers, and also a renowned concrete jungle that filled with dozens of skyscrapers.There were already 3 skyscrapers beyond 300 meters by roof height exist as early as 1970s, among them the Willis Tower had been the tallest building of the world for many decades until 1997 when Petronas Towers’ spires […]

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