This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
La Nature Pont amricains p. fr La Nature Pont amricains Fig Pont mtallique tablier suprieur DeckBridge lvation Fig Pont d'aval du Niagara Fig Pont de Cincinnati sur l'Ohio Coupes transversales des figures Extrait de la Revue La Nature Henri Blerzy La Nature Revue des sciences PDold Uploaded with La Nature