To everyone interested in coasters (and capable of tuning in on German TV)
There's an interesting documentary about the German coaster Ria (IMO 5239503) and her last owners on German TV tomorrow night (Friday, August 24) at 9.15 pm. (Radio Bremen TV and NDR)
See
http://www.radiobremen.de/wissen/alle-artikel/riasabschiedstour112.html for more info (sorry, in German only)
Best regards
Jens