donhwamun, main gate of seoul changdeokgung palace

1412 ancient architecture asia asian attraction building built capital castle changdeok changdeokgung city culture donhwa donhwamun during east entrance facade famous fortress gate gateway grand heritage historic historical iconic joseon king korea korean landmark main oriental originally palace reign royal seoul sight sightseeing site south symbol taejong tour tourism tourist tradition traditional travel twelfth unesco urban view was world year