View of San Francisco skyline and Oakland Bay Bridge from Treasure Island at sunset, San Francisco, California, United States of America, North America

travel destination photography horizontal colour image skyline oakland bay bridge sunset san francisco california north america treasure island building exterior architecture cityscape urban scene bridge built structure connection elevated view skyscraper city 20th century suspension bridge san francisco bay bay water sea car traffic tree sky transportation outdoors cloudy sky united states of america american culture incidental people usa us united states american north american colour color image color outside tourist destination travel background people people in the background transport cities typically american traditional culture tradition traditional traditionally american sundown dusk twilight