Pictures of graffiti art and city life photos offer a great array of photo opportunities. Check out this excellent article on street photography.
Campus in Blizzard
© Mark V. FedkinPena Ventosa - Porto historical center
© Antonio AmenJust a Glimpse
© Lorna ShutterThe Last Bus Stop
© Alan L. BorrorJust New York
© Max Aureliclear-both direction & shadow
© Jimmy WenHappy T~K~W Day
© David PhalenUnder the El:Chicago
© Rona L. SchwarzCurious Man on Red Line Train
© Jeff Phillips