City wall, Revaler city fortification, Tallinna linnamueuer with wall towers and Olai church, Tallinn, Estonia, Europe

baltic countries baltic states baltics baltic berliner mauer berlin wall berlin borders border buildings building central europe churches church city fortifications city fortification city walls city wall clouds cloudy sky cloudy cloud contemporary history deserted deutsche demokratische republik eastern germany east germany eesti empty estonia europe gdr border gdr german democratic republic german federal republic germany guard tower harju county harjumaa historical historic history mediaeval medieval middle europe nobody no one no people north east europe north eastern europe oleviste kirik oleviste kogudus overcast sky overcast post war eras post war era post war period post war years religious building sacral building sacred building sky with cloud st olaf's church tallinna linnamueuer tallinn towers tower town wall travel photography travel uninhabited walls of tallinn walls wall towers wall tower wall watchtowers watchtower watch tower