钢墙铁壁 Gangqiang tiebi Designer Zhao Songsheng (赵宋生) Date 1990, August Publisher Yunnan renmin chubanshe (云南人民出版社) Size 38x53 cm. Call nr. BG D25/227 Collection Landsberger collection Theme People's Liberation Army Tags China poster Chinese propaganda 1990 People's Liberation Army horse machine gun binoculars door gods menshen 门神