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:
Forth Bridge Inchgarvie superstructure at full height. Photograph of the Inchgarvie superstructure at full height Owing to its increased dimensions and its insular position this cantilever was naturally the last to attain its full height We have here very perfect picture showing the diagonal struts the vertical ties and large section