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

travel destination photography horizontal colour image night skyline oakland bay bridge san francisco california north america building exterior architecture cityscape urban scene bridge built structure connection skyscraper city 20th century suspension bridge san francisco bay bay water sea illuminated lens flare moon modern night sky outdoors 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 night time night time cities typically american traditional culture tradition traditional traditionally american