Decoration:Building the Ultimate —— Skyscraper

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Decoration:Building the Ultimate —— Skyscraper

A skyscraper is a great engineering achievement. They have to deal with gravity, and they have to deal with wind. These shining towers of steel concrete and glass are tested to their limit. They have to deal with earthquakes and have to deal with fire. Now they even have to deal with terrorist attacks. What engineers now are doing is having to think the unthinkable. Can we build the ultimate skyscraper?

  • Added:2006
  • Country:America
  • Duration:30
  • Time of update:2011/8/18 15:24:10

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