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Megastructures - Season 1 - Episode 4 - Sears Tower

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Watch Series: Megastructures Released in (2004) - Season 1 - Episode 4 ,airing date 2004-09-29 produced by USA, UK, The TV Series categorized in Documentary, and content rating TV-G with duration 60 min broadcasted as these networks National Geographic, France 5, National Geographic (US), Streamed at Putlocker & directed by Chuck O'Farrell, James Bates, Jessica Bassett. Tallest building in Chicago, Illinois — For 20 years, the Sears Tower held the record for the world's tallest building. Completed in 1973, the 110 stories high building is almost half a kilometre tall. And it still holds the record for having the world's highest antenna. John Zils, structural engineer and designer of this mega-structure, shares some of the tower's secrets. And get a behind-the-scenes look at some of the various systems and controls that are vital to the building, such as security monitoring, elevators, the water and power distribution that supplies its many floors, and even the machines that clean the windows.

Genre: Documentary

Actor: Jonathan Hart, Tom Goodman-Hill, Greg Stebner, Jay Simon, Mark Keller, Marlon Singleton, J.V. Martin, Michel Virlogeux, Lance Lewman, Craig Parker