The sun rises in the eastern skies of Colorado as Union Pacific's North Yard (Denver), Colorado to Roper Yard (Salt Lake City), Utah manifest crosses over CO-HWY 72 in Coal Creek Canyon on August 29, 2015.
Pictures taken with the strong contrast between Rail and Light in Dawn/Dusk/Sunrise or Sunset.
Check the Flickr Group for more! www.flickr.com/groups/railway_silhouettes/