This German website - Drehscheibe Online - has a very active international section. Using Google Translate it's fairly easy to get the gist in English:
https://www.drehscheibe-online.de/foren/list.php?030
As someone interested in railways in Europe / world-wide, I found it quite interesting!
https://www.drehscheibe-online.de/foren/list.php?030
As someone interested in railways in Europe / world-wide, I found it quite interesting!