This image was acquired from
flickr. 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:
woodcut tyne wear newcastle pons aelius ponsaelius neptune altar hadrians' wall hadrianswall roman frontier limes eastern sector easternsector hwfeed bridge blackandwhite monochrome architecture white background black and white Altar to Neptune from the Tyne near the swing bridge possibly from the site of its Roman predecessor. The