low angle view of reconstructed bergfried tower of ruined castle burg zavelstein above teinach valley in black forest.

castle zavelstein tower ruin ruined observation bergfried low angle view germany 12th century access ancient architecture autumn bad teinach-zavelstein baden-wuerttemberg black forest blue blue sky building burg burg zavelstein castle ruin evening fall flag historic history landmark landscape medieval observation tower old rebuilt reconstructed ruined castle shadow sky stone sun sunlight teinach tourist travel tree view tower wall