Polskie Koleje Panstwowe (PKP Cargo)
SM42-631 (the nearest), ST44-1101 (on the left side) with a freight train Warszawa Rembertow - Bialystok
Class66-66011 (on the right side) and SM42-819 (near Class66) with a military train Warszawa Rembertow - Bialystok
09.05.2014, Bielsk Podlaski
Photo W. Kolins