church of the holy mother of god crkva ruzica in belgrade fortress or beogradska tvrdjava consists of the old citadel and kaleme

aging ancient architecture belgrade built capital christianity church cities city cityscape cloud cross cultures day destinations europe famous fort fortified grass hill horizontal icon idyllic landscape leaf material medieval monument nature old orthodox outdoors past photography place plant process religion religious scenics serbia sky statue stone strength structure summer sunny surrounding the tourism tower town travel wall