alcatraz, watchtower, guard tower, prison, san francisco, attraction, historic, staircase, tourist, history
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Photo keywords
- alcatraz
- watchtower
- guard tower
- prison
- san francisco
- attraction
- historic
- staircase
- tourist
- history
- surveillance
- penitentiary
- built structure
- architecture
- sky
- tower
- clear sky
- low angle view
- blue
- observation point
- nature
- tall - high
- lookout tower
- day
- metal
- building exterior
- outdoors
- security
- copy space
- safety
- technology
- water conservation
- power supply
- electrical equipment
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- 2560x1600
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Tablet(iPad, Android):
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Photo Info
- image size 3456x4608px
- file size 769.84KB
- Mime type Image/jpeg
- resolution 4K
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