Pictures of graffiti art and city life photos offer a great array of photo opportunities. Check out this excellent article on street photography.
Street Performer
© Usman M. BajwaRockin' the Night Away
© Richard M. WaasMetal Petals
© Rona L. SchwarzHappy T~K~W Day
© David PhalenUnder the El:Chicago
© Rona L. SchwarzCurious Man on Red Line Train
© Jeff PhillipsBlue Bridge Blues
© Sharon SawyerSan Gimignano Street
© Robert CoffeeIn Transit 2
© Christopher Higdon