The cast iron metal girders beneath the Pont de Sully, showing the design work as you walk under the bridge. To see more go to www.eutouring.com/images_pont_de_sully.html
The Passerelle Mornay was constructed in the 1800's and as can be seen here with unique iron work all along the bridge that spans over the Canal Saint Martin in Paris. See more Paris Photos at www.eutouring.com/images_passerelle_mornay.html