Riding on the "Tube" London's famous subway system. Officaly called "The Underground" it's the oldest subway system in the world. I was headed back to Hethrow Airport at the end of my trip.	National Flag Coat of Arms Formal Name : United Kingdom of Great Briton & Northern Ireland Established : May 1, 1707  Capital : London Area : 243,610 sq km Population : 58,789,194 (2001 Cencus) Currency : Pound sterling Languages : English National Anthem : "God Save the Queen "

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