Sunset in the Sonoran Desert near Phoenix, Arizona, USA
Aerial view at dawn of Sossusvlei area, Namib-Naukluft National Park, Namib Desert, Namibia
Cactus in Sonora desert, Mexico
Sunrise at Archway at Spitzkoppe, Pontok Mountains in the background, Namibia
Bizarre rock formations in Coyote Buttes, Grand Staircase of Escalante, Utah and Arizona, USA
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