russia, oryol, saburovskaya fortress travel landmark

vector illustration landmark russian history oryol past medieval architecture castle mighty fortress saburov dynasty war siege warfare citadel of ancient structures impregnable stronghold heritage tourist attraction historical monument redbrick walls defense towers cultural weapons saburovskaya iconic destination pride military regional centuriesold significance memorable unique hotspot strategic location vital city icon conquests epic structure battle scars battles relics historic preservation engineering marvel important defensive measure symbol russias