Switchman throwing the switch at the Union Pacific Bailey Yard. He is helping to move locomotives around between the repair and storage areas.

The Bailey Yard, located in North Platte, Nebraska, is the largest railroad yard in the world.

Image processed with GIMP. Oh yes, 600mm equivalent zoom telephoto, taken from the observation deck of the Golden Spike Tower (viewing area).

www.visitnorthplatte.com/listing/union-pacific-bailey-yard/147