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A lonely palm tree among the dunes
A beach with dunes at low tide against a sunset cloudy sky
Dunes on a sandy beach against the background of the sea
Sand dunes in the light of day
Desert dunes and hills with footprints in the sand
In Colorado, a beautiful desert with dunes
People crossing the dune
Sand dunes and a wooden fence
The ocean washes the dunes of the Kalahari desert
Sand dunes in the Namib desert
A large dune behind a dry tree
A bright dawn in the desert. Dunes