Results 5 results found Aerial view by drone of Kaleto Rock Fortress rock formations, Belogradchik, Bulgaria, Europe Aerial view by drone of Kaleto Rock Fortress rock formations, Belogradchik, Bulgaria, Europe Aerial view by drone of Kaleto Rock Fortress rock formations, Belogradchik, Bulgaria, Europe The Vidin Fortress on the banks of the Danube River in Vidin, Bulgaria, Europe The Vidin Fortress on the banks of the Danube River in Vidin, Bulgaria, Europe Baba Vida Fortress, Vidin, Bulgaria, Europe
