"Dunes landscape with footprints, Great Sand Dunes National Park, Mosca, Colorado, USA"

"Frozen sandy soil, still partially covered with frost, Great Sand Dunes National Park, Mosca, Colorado, USA"

Hikers leaving tracks in the sand, Great Sand Dunes National Park in Mosca, Colorado, USA

"Great Sand Dunes National Park in the evening light, Mount Herard at the back, Mosca, Colorado, USA"

"Dune landscape in front of the Sangre de Cristo Mountains, Great Sand Dunes National Park, Mosca, Colorado, USA"

Panorama, Great-Sand-Dunes-Nationalpark, Colorado, USA, Nordamerika