Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

photography color image travel destinations travel vertical outdoors sunrise dawn no people low angle view arizona usa north america landscape saguaro cactus cactus cloud sky mountain sweetwater preserve tucson copy space desert arid climate silhouette back lit shadow travel destination tourist destination tourist destinations morning twilight shadows outdoor outside nobody no one no person museum museums landscapes deserts hot heat arid dry