Underground pick pockets
Media playback is unsupported on your device

Underground World: Tackling Barcelona's metro thieves

Whether you call it the Metro, the Tube or the Subway - underground transport makes the world go round.

BBC News has been touring the globe's train networks to find out what it's like to be a commuter in some of the world's biggest cities.

Laura Trevelyan looks at New York's "dirty" subway and Pascale Harter examines Barcelona's underground thieves.

  • 04 Apr 2013
Go to next video: Platforms 'like palaces' on Moscow Metro