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:
Saaremaa Museum SM Kuressaare linnus liitpostkaart seitse vlis ja sisevaadet. et Kuressaare linnus liitpostkaart seitse vlis ja sisevaadet fotopostkaart muis ee Saaremaa Muuseum SM Carl Oswald Bulla PDold Kuressaare Castle Postcards of Estonia Photographs by Karl Bulla Images from the Saaremaa Museum