northeast church in butrint archaeological park, albania

butrint albania europe balkans architecture ruins walls archaeology archaeological site unesco world heritage church ancient antiquities antiquity medieval middle ages byzantine park travel tourism northeast north east apse semicircular albanian european old historic outside outdoors landmark stone exterior historical monument excavation chapel singlecell limestone religion religious christian circuit window arrowslit arrow slit loophole hole building village town city june summer south saranda sarande vlore vlora dig eastern southern destination preservation preserved protected settlement national butrinto buthrotum bouthrotum 13th century thirteenth