Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jul 18, 2012
We've all heard of London. Some of us have even been there. But how much do you really know about the 2012 host city? Test your knowledge in London Trivia, Round 1. For live streams and highlights of every event at the London Olympics, go to: http://www.nbcolympics.com?PAR=YTAnno...