epa02125009 A picture made available on 20 April 2010 shows a poster that indicates ways of tickets validation on board a RATP bus in Paris , France , 13 April 2010 . The Parisian transport authority has started an awareness campaign in favor of tickets ' validation that -coupled with control teams- is supposed to revert an increasing number of passengers dodging the mandatory ticket validation . EPA/HORACIO VILLALOBOS
20 . 04 . 2010 15 : 11 : 14France Urban Transport
FRANCE URBAN TRANSPORTEPA02125009 A PİCTURE MADE AVAİLABLE ON 20 APRİL 2010 SHOWS A POSTER THAT İNDİCATES WAYS OF TİCKETS VALİDATİON ON BOARD A RATP B
