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National Geographic News - Quake-Proof Bridge
National Geographic News - Quake-Proof Bridge
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National Geographic News - Quake-Proof Bridge
The longest suspension bridge in the world is earthquake-ready, and earthquake-tested.
Channel: Hulu on AOL
Category: Documentary
Video Length: 210
Date Found: March 17, 2011
Date Produced: March 15, 2011
View Count: 5
 
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