A mixed first and second class passenger car of class 43 (type "Aby") with personal number 50 52 31 43 008 - 1 standing on central railway station Plovdiv in composition of the fast train to Sofia.

Explanation of the numbers: "50" - passenger car with perennial wheel base , sertificied to UIC / RIC - Regulations concerning the reciprocal use of cars in international passenger traffic; "52" - the ID number of BDZ (Bulgarian Railways) ; "31" - first and second class passenger car with 11 compartments or 22 - 23 rows ; "43" - class of passenger car - it`s determined by the 140 km. per hour and 2 kinds of heating - steam heating and alternating current of electricity 1000V ~ 16 2/3 Hz. ; "008" - number of the unit ; "1" is the control digit.

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