Ключевые слова: ancient, architecture, asia, barrier, bell tower, bohai sea, building, china, chinese, chinese wall, city, defensive outpost, dragon, drum and bell tower, drum tower, first pass under heaven, fort, fortified, great wall, great wall of china, hebei, hebei province, heritage, historic, history, landmark, landscape, laolongtou, military fort, ming dynasty, old, old dragons head, palace, pavillion, qing dynasty, qinhuangdao, qinhuangdao china, scenic, shanhai pass, shanhaiguan, shanhaiguan district, strategic, street, structure, tourism, tower, traditional, travel, unesco, wall,