shifting sand dune contrasts. desert or beach sand textured background.

abstract aeolian africa backdrop background barren beach big climate close closeup coast coastal color colored contrasts copy curved curves deflation denudation deposit desert detail dirt dry dune dust environment eolian erosion fawn feature gold grained grains ground heap heat hot landscape line macro namib natural nature nobody orange outdoor pattern pile ripple rippled ripples sahara sand sandy scene sediment sedimentary shadow shifting soft space striped summer terrain texture textured travel tropical wallpaper wandering warm wave waves wavy wind yellow