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In this episode, INNOVATION follows the architects and engineers who have dedicated their lives to reaching new heights, travels around the world to see giant buildings under construction, and investigates the risks and benefits of building tall. Can innovative materials and design techniques overcome critical new safety issues? Find out more about this episode or get the video.
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Skyscrapers Then and Now
The skyscraper, icon of modernity and engineering prowess, came to dominate all major urban landscapes in the 20th century. Every city intent on asserting its presence as a cultural center and participant in world affairs threw its resources into constructing a tall building to anchor the downtown area and make the skyline instantly recognizable around the world.
At right, designs for the immense Taipei 101 Tower.
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Structural engineer Les Robertson, designer of
the World Trade Center. 
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