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Subject
- Cactus[remove]116
- Shrubs97
- Mountains84
- Saguaro44
- Deserts42
- Saguaro National Park (Ariz.)29
- Clouds28
- Trees28
- Tucson Mountains (Ariz.)25
- Rocks23
- Santa Catalina Mountains (Ariz.)21
- Canyons16
- Sabino Canyon (Ariz.)15
- National parks & reserves14
- Cliffs12
- Flowers12
- Mission San Xavier del Bac (Tucson, Ariz.)10
- Rock formations10
- Automobiles8
- Roads8