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The answer to today’s Geo Quiz is London’s Trafalgar Square, where a contemporary art experiment called the Fourth Plinth Project came to an end this week. Anchor Marco Werman has the story.

See also

• February 22, 2010 -- Historic music studio
• January 29, 2010 -- The Sandwalk
• October 15, 2009 -- The fourth plinth
• August 18, 2009 -- Rebranding