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.
Titanium La Portada | |
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Height | 194m |
Floors | 55 |
Year | 2010 |
City | Santiago de Chile |
Titanium La Portada is an office building in Santiago, Chile.
Located in the capital's high-end financial district of El Golf, it is the second tallest skyscraper in the country. Construction began in January 2007, and was finished in January 2010. It was surpassed in height by the then unfinished Gran Torre Santiago in November 2010. It was officially inaugurated on May 3, 2010. The architects are Abraham Senerman and Andrés Weil. Source: WikipediaThe Papal Basilica of Saint Peter in the Vatican (Italian: Basilica Papale di San Pietro in...
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