London Bridge Was Sold to the US!?

London Bridge has already been rebuilt twice! But what happened to the bridges that came down? Also, explore a map of the big bang! http://www.bigbangregistry.com MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an e

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