December 2011
Beginner
768 pages
23h 24m
English
On August 1, 2007, a bridge over the Mississippi River in Minnesota collapsed in the middle of rush hour, killing 13 people and injuring 145 more. A bridge that supported a part of the interstate highway system fell into a river without any warning. This shocked many Americans. They read about these sorts of disasters happening in various developing countries around the world, but those things happened over there. Didn’t they? Then, here was a bridge—built in the 1960s—collapsing in a major American city. Something seemed wrong.
In August 2003, the Great Northeast Blackout plunged the northeastern United States into darkness in the largest power loss in history. This blackout started ...
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