Great Sand Dunes National Park, Colorado
Great Sand Dunes National Park, Colorado 
Walking along the dune crests at sunset. 
Great Sand Dunes National Park, Colorado 
Looking north towards the Sangre de Cristo Mountains at sunset. 
Great Sand Dunes National Park, Colorado 
Great Sand Dunes National Park, Colorado 
Sunset over the Great Sand Dunes. Note the sunlight catching the thin layer of sand being blown across the surface, no more than a few inches above the ground. Saltation in action!
Zach Schierl Photography 
Comment? Complaint? Compliment? Leave a Reply!