Flatiron Building, Columbus Tower (Sentinel Building), North Beach, San Francisco, California, United States of America, North America

travel destination tourist destination tourist attraction photography colour image colour vertical flatiron building columbus tower sentinel building north beach san francisco california united states of america north america outdoors outside day daytime building built structure building exterior architecture architectural local landmark low angle view low angle facade urban scene incidental people background people people in the background ornate elaborate green local landmark city life place of interest