The coal pile in #15's tender appears to be on fire on this photo but in reality its is #14's unusually bright headlight reflected and magnified by the smoke, fog and rain.
2-8-2 17 and gas-electric M-1 soak up the morning sun while 2-8-2 14, doing some switching, provides the steam seen in the background. Pentax ZX-50, Agfa Scala 200 B&W slide film.