Shifting scenes

Thomas ­Circle, Washington DC; ­archive shot, 1911 Photograph: Jason Powell Photograph: Jason Powell/guardian.co.uk High Street, Pinner, Middlesex; archive shot, 50s Photograph: Adam Leach/leachy.com Photograph: Adam Leach/leachy.com/guardian.co.uk Environmental ­Sciences building, ­University of Wisconsin Green Bay campus; ­archive shot, early 70s Photograph: Todd Sanders Photograph: Todd Sanders/guardian.co.uk Norwood Junction, London; archive shot, early 1900s Photograph: Andrew Smith Photograph: Andrew Smith/guardian.co.uk University of Wisconsin Green Bay campus; ­archive shot, early 70s Photograph: Todd Sanders Photograph: Todd Sanders/guardian.co.uk Main Street, ­Annapolis, Maryland; archive shot, 1964 Photograph: Jason Powell Photograph: Jason Powell/guardian.co.uk North End, Croydon town centre, London; archive shot, 1920s Photograph: Eleanor McMillan/flickr.com/photos/elliemc Photograph: Eleanor McMillan/flickr.com/photos/elliemc/guardian.co.uk Carvel Hall, ­Annapolis, Maryland; archive shot, 1920 Photograph: Jason Powell Photograph: Jason Powell/guardian.co.uk