Ключевые слова: ancient, architecture, background, bastion, blur, bulwark, castle, conservation, culture, destination, enclosure, famous, fortification, fortress, heritage, historic, historical, history, interesting, japan, jo, journey, kingdom, landscape, maintenance, manmade, memorial, memory, monument, nakagusuku, nakagusukujo, nature, okinawa, outdoor, outstanding, part, place, prevent, property, protect, protection, rampart, ruin, ruins, ryukyu, site, stair, staircase, stairway, stone, tour, traditional, travel, trip, wall, world,