Willis Tower | |
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Height | 527m |
Floors | 108 |
Year | 1974 |
City | Chicago |
The Willis Tower (formerly and informally: Sears Tower, its title until 2009) is a 110-story, 1,450-foot (442.1 m) skyscraper in Chicago. At completion in 1973, it surpassed the World Trade Center in New York City to become the tallest building in the world, a title that it held for nearly 25 years; it was also the tallest building in the Western Hemisphere for 41 years, before the new One World Trade Center surpassed it in 2013. While it held the title of'Tallest Office Building' before 2013, it dropped the title of'Tallest Man-Made Construction' after only 3 decades. The CN Tower in Toronto, which functions as a communications tower, took over the title in 1976.
The Willis Tower is considered a seminal accomplishment for engineer Fazlur Rahman Khan. It is currently the third-tallest construction in the USA and the Western hemisphere -- and the 23rd-tallest in the world.
Milan Cathedral | |
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Height | 107m |
Floors | 0 |
Year | 1386 |
City | Milan |
Milan Cathedral (Italian: Duomo di Milano Italian pronunciation: [?dw??mo di mi?la?no]; Lombard: Domm de Milan [?d?m p mi?lã?]) is the cathedral church of Milan, Lombardy, Italy. Committed to the Nativity of St Mary (Santa Maria Nascente), It's the seat of the Archbishop of Milan, currently Archbishop Mario Delpini. The cathedral took nearly six centuries to complete: construction began in 1386, and the final details were completed in 1965. It is the largest church in Italy--the bigger St. Peter's Basilica is in the State of Vatican City, a sovereign nation--and the second largest in Europe and the fourth largest in the world.
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