Clouds over urban bridge at waterfront

architecture bay bridge cable california city cityscape cloud color image copy space day highrise horizontal low angle view modern nobody ocean outdoors photography san francisco scenic view silhouette skyline united states urban waterfront america american americas back lit back lit backlit building ca color colour contemporary current daylight daytime high rise high rise low angle marine metropolitan negative space north america outdoor outside scenics sea skyscraper tower us usa united states of america up to date us usa water water front west coast white space