Pictures of graffiti art and city life photos offer a great array of photo opportunities. Check out this excellent article on street photography.
Pena Ventosa - Porto historical center
© Antonio AmenCampus in Blizzard
© Mark V. FedkinJust a Glimpse
© Lorna ShutterThe Last Bus Stop
© Alan L. BorrorJust New York
© Max Aureliclear-both direction & shadow
© Jimmy Wen