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Build in Seattle Washington http://en.wikipedia.org/wiki/Timeline_of_architecture
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Build in 1992 Spacific date not found in link http://en.wikipedia.org/wiki/Timeline_of_architecture
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Build in 2014, tallest building in China http://en.wikipedia.org/wiki/Timeline_of_architecture
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Bridges in pittsburgh are really sturdy and supportive.
-Dont know consturction date or name of the bridge -
There are many briges in pittsburgh more then any other city. they are very sturdy too.
- dont know when they were build
