yahoo office buildings on the shoreline of san francisco bay on a cloudy spring day, wild mustard blooming on the levees,

america area bay baylands bright buildings business california calm clouds cloudscape cloudy colorful colors destination ditch flora flowers green hot landscape levee marsh mustard office plants ponds protected relaxation san francisco scene scenery scenic season shore shoreline silicon valley spring springtime sunnyvale trail vibrant vivid wallpaper water wetlands wild wildflowers yahoo yellow