thracian dolmens located near hliabovo village, sakar mountain, bulgaria

ancient antiquity archaeological archaeology bulgaria carved ceremony chairi cromlech cult culture dolmen dolmens eastern europe historical history hliabovo hlyabovo holy landmark landscape located magical megalith megalithic monument mountain mysterious mystery nachevi necropolis old people petroglyph place prehistoric religious rock ruin sacred sakar sanctuary site spiritual stone strandzha structure thracian tomb tombstone topolovgrad tourism travel village