40-0582-3 and 40-0553-4 owned by BZK ( or BRC - Bulgarian Railway Company, who is subagent on romanian private operator GFR - Grup Feroviar Roman) on railway station Karlovo with freight train.

Digital photo Veselin Malinov , e-mail: malinov.veselin99@gmail.com Website: http://nightphotos.fotopic.net