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:
Luthmer IIHattstein Burgruine Lageplan. Hattstein Burgruine Lageplan Kulturdenkmal Hessen Die Bau und Kunstdenkmler des Lahngebiets Keller Frankfurt am Main org Ferdinand Luthmer PDold Images from Bau und Kunstdenkmler des Regierungsbezirks Wiesbaden Volume Plans of castles in Hesse Schmitten Hochtaunus Uploaded with VicuaUploader