Original vintage photogravure of the Hills of Arlington from Potomac Park by Theodor Horydczak. "-the line of light that plays Along the smooth wave toward the burning west."  Old 1928 photogravure print  of Washington DC. Nation's Capital suburb of Arlington, Virginia..

A Photogravure is an intaglio printmaking or photo-mechanical process whereby a copper plate is coated with a light-sensitive gelatin tissue which had been exposed to a film positive, and then etched, resulting in a high quality intaglio print that can reproduce the detail and continuous tones of a photograph. - Wikipedia.