Ancient stone fortress ruins with weathered walls and overgrown vegetation. Likely Eastern European, possibly ’s region. Mid-20th century black-and-white photograph.

(AI generated): Ancient stone fortress ruins with weathered walls and overgrown vegetation. Likely Eastern European, possibly ’s region. Mid-20th century black-and-white photograph.

BulgariaBurgasAncientRuinsFortressArchitectureMid20thCenturyBulgariaHistoryBlackAndWhitePhotography