A 14-minute time exposure overlooking the loop about an hour after sunset - a BNSF stack train starts at Rowen in upper right, proceeds through Woodford siding, through loop tunnel at center-right, and up and around loop, exiting the frame at lower right.
Landscape photography is difficult due to the challenge of combining good light and good scenery. Good railroad photography enters another level of complexity since it requires the first two while there is a train in view.