Sand waves at dusk, Great Sand Dunes National Park, Colorado, USA
Rock formation in sands of Sahara desert near Ounianga Kébir, Ennedi Plateau, Chad
Arches National Park's double arches offer pretty unique views of the sky, Moab, Utah, USA
View of rough mountainous cliffs in bad land terrain of Bardenas Reales, Navarre, Spain
Two Meerkats (suricata suricatta) watching surroundings in morning, Kalahari desert, Botswana
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