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:
Akershus Slot nonb digibok . nb Illustrasjon hentet fra boken Akershus Slot av Storm Gustav og utgitt av Stenersen Kristiania Institution Nasjonalbiblioteket Creator unknown nonbdigibok PDold Akershus Slot book Images from Nasjonalbiblioteket Files uploaded by Nasjonalbiblioteketbot Architectural drawings of Akershus Fortress