Maybe a bit of overfiring to produce smoke for the runby. Lerro Productions photo charter on the Grand Canyon Railway.

After a cloudy day, the sun drops under the clouds just before sunset, and in time for a couple of runby's. Lerro productions charter, Grand Canyon railway.

2-8-0 #29 and 2-8-2 #4960 perform a spirited runby on a Lerro photo charter on the Grand Canyon Railway