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Skyscraper History

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Uploaded by on Apr 8, 2008

The invention of the safety elevator was the first of many innovations that made skyscrapers like the Burj Dubai possible.

Big, Bigger, Biggest: Skyscraper :
THURS APRIL 10 9P et/pt : http://channel.nationalgeographic.com/channel/videos/?source=4003

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  • Is there anymore of this. This kind dropped off.

  • He says seven ingenious inventions, but only shows two! Where are the other five?

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  • Of corse the wtc

  • The show is called big bigger biggest

  • I guess the other buildings only reused the major inventions, but didn't come up with something revolutionary.

  • @Dabu3 its not the full show

  • @Dabu3 on National Geographic 

  • @luisencor

    and the Empire State Building?

  • Ita all about the engineers, geniouses behind these marvels, among which is Fazlur Kahn and Bill Baker

  • And Petronas Twin Towers (452mts) ??

  • equitable life; fuller flatiron and the UN headquarters all were NEVER the tallest building in the world at any time.

  • athens has history and doesnt need unlgy building!!!!!!!!!!and it is a beatiful city becoz you can see the acropole from everywhere becoz of low buildings in new york is like a forest!!!!!!!!!!!!not a beatiful place

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