It happened in Würzburg:

http://www.mainfranken24.de/index.php?id=mainfranken_videos_single&singelid=4421- 3#.VfR4Sn28p_h

This car got lost, when the owner, a Scottish couple, wanted to fix it at their Campmobile. This, the fastening at the Camper, is probable the reason, why the Citroen has two different plates.