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Subject
- Cactus[remove]68
- Shrubs49
- Mountains48
- Deserts29
- Saguaro National Park (Ariz.)28
- Saguaro19
- Clouds15
- National parks & reserves14
- Tucson Mountains (Ariz.)13
- Rocks11
- Mission San Xavier del Bac (Tucson, Ariz.)10
- Trees10
- Santa Catalina Mountains (Ariz.)9
- Bell towers7
- Mission churches7
- Towers7
- Balustrades6
- Domes6
- Automobiles5
- Balconies5