LifestyleTicket sharingTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyleElizabeth Grenier, Berlin04/01/2014April 1, 2014In Berlin a new campaign encourages travelers to share their public transport tickets with strangers during off-peak hours. It’s good for the environment and for your wallet. But is it working?https://p.dw.com/p/1BZVmAdvertisement