A sleeping car "WLABee" with number 61 81 70 70 003 - 2 , owned by OBB (Osterreichische Bundes Bahnen / Austrian Railways) in composition of an OPTIMA train from Villach Hbf to Edirne.
A video about crossing the train through railway station Pazardjik , you can see here: https://www.facebook.com/veselin.malinov.5/videos/432374898869043

You can see my website: https://www.flickr.com/photos/162881852@N07/

Digital photo Veselin Malinov , e-mail: malinov.veselin99@gmail.com