Pictures of graffiti art and city life photos offer a great array of photo opportunities. Check out this excellent article on street photography.
Chicago Reflections
© Ellen HodgesCampus in Blizzard
© Mark V. FedkinPena Ventosa - Porto historical center
© Antonio AmenMetal Petals
© Rona L. SchwarzHappy T~K~W Day
© David PhalenCurious Man on Red Line Train
© Jeff Phillips