ST43-221 freight diesel with fast passenger train 33503 'Poloniny' from Krakow Glowny to Zagorz, before leaving Jaslo. During the summer, when no heating is needed, freight diesels sometimes haul passenger trains on unelectrified routes.
photo&scan: Jerry D. Stawarz, Jaslo, July 01, 1998
[http://panda.bg.univ.gda.pl/~jareks/pekape]