Das Buch zur Serie22.10.201322. Oktober 2013https://p.dw.com/p/1A48hAnzeigeAuf dem Tretroller durch Deutschland - BuchtrailerTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoAuf dem Tretroller durch Deutschland - BuchtrailerTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video