![Small rocks and pebbles are used to spell out "Dune 45" at the base of the ancient sand dune. Located in the Sossusvlei pan of the Namib-Naukluft Nati Stock Photo - Alamy Small rocks and pebbles are used to spell out "Dune 45" at the base of the ancient sand dune. Located in the Sossusvlei pan of the Namib-Naukluft Nati Stock Photo - Alamy](https://c8.alamy.com/comp/JJYBTD/small-rocks-and-pebbles-are-used-to-spell-out-dune-45-at-the-base-JJYBTD.jpg)
Small rocks and pebbles are used to spell out "Dune 45" at the base of the ancient sand dune. Located in the Sossusvlei pan of the Namib-Naukluft Nati Stock Photo - Alamy
![Premium Photo | Spring at great sand dunes national park, colorado. medano creek flows around the base of the dunes in springtime. Premium Photo | Spring at great sand dunes national park, colorado. medano creek flows around the base of the dunes in springtime.](https://img.freepik.com/premium-photo/spring-great-sand-dunes-national-park-colorado-medano-creek-flows-around-base-dunes-springtime_198639-26694.jpg?w=2000)
Premium Photo | Spring at great sand dunes national park, colorado. medano creek flows around the base of the dunes in springtime.
![A multitude of sagebrush line the base of a sand dune at Bruneau Dunes State Park. Owyhee County. Idaho. USA Stock Photo - Alamy A multitude of sagebrush line the base of a sand dune at Bruneau Dunes State Park. Owyhee County. Idaho. USA Stock Photo - Alamy](https://c8.alamy.com/comp/DFFKPR/a-multitude-of-sagebrush-line-the-base-of-a-sand-dune-at-bruneau-dunes-DFFKPR.jpg)