During the filming of Arena: Underground, the team created some short films about London's Tube, exclusively for the web. As well as seeing how buskers are chosen you can join our hunt to identify an urn of ashes left on the Tube 10 years ago.
BUSKERS 1 Meet some of the 300 buskers who make sweet music on London's Tube system, and eavesdrop on the audition process. Watch short film
BUSKERS 2 Six facts that you may not know about the buskers on London's Underground. Watch short film
TRAIN TIME Travel in time through London's Underground, starting in 1905. Watch short film
UNDERGROUND URNIE An urn labeled 'W Maile 5/10/98 Luton' was left on a Tube train in 1998 and was only claimed in 2007 after our video appeal (news update). Watch clip from Arena: Underground
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ARENA: UNDERGROUND
New documentary about the capital's subterranean transport system
TUBE NIGHT
An evening of programmes about London Underground