ganghwa island yeonmijeong pavilion in incheon, korea

ganghwa island yeonmijeong pavilion incheon korea ancient architecture asia beautiful blue building city culture defense dmz east field fight fortress ganghwagun ganghwado grass green han heritage historic imjingang landmark landscape north old park river ruins sea site sky south stone summer town traditional travel tree village wall war watchtower wolgotdondae wolgotjin