Subway train on an iron bridge about to cross the Douro River from Porto to Gaia on an iron bridge. Eiffel of Eiffel Tower fame designed this elegant bridge; the one closer to the Port storage huses in Gaia were designed by an associate. [Compare another picture of trains crossing this bridge] Photograph and text by George P. Landow. [You may use this image for any noncommercial purpose as long as you credit the photographer and this URL].
