Ключевые слова: ancient, ancient architectural buildings, architecture, asia, barren, beijing city, bohai town, china, civilization, climbing, dangerously steep, day, defense, defense engineering, engineering, great wall, huairou district, jiankou great wall, magnificent and strange, military, natural, peach blossom, scenery, sights, snow, snow scene, snowing, spring, strong, the beacon tower, the wild great wall, wall, west gate village,