Stock tags

• bridge,
• city,
• urban,
• alcatraz island,
• america,
• american,
• architecture,
• bay,
• bay bridge,
• california,
• carol highsmith,
• carol m. highsmith,
• cc0,
• creative commons,
• creative commons 0,
• downtown,
• famous,
• free,
• landmark,
• path,
• public domain,
• san francisco,
• tourism,
• tourist attractions,
• transportation,
• travel,
• united states,
• united states of america,
• us,
• usa,