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| Title: | Building Big: World Trade Center | |
| Description: | Explains how the towers of the World Trade Center were constructed and what factors led to their collapse. From PBS. | ||
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Category: |
Kids and Teens > School Time > Social Studies > History > By Region > North America > United States > September 11, 2001 | ||
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URL: |
http://www.pbs.org/wgbh/buildingbig/wonder/structure/world_trade.html |
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