构筑防空洞的方法 Gouzhu fangkong dong fangfa Designer Designer unknown (佚名) Date ca. 1971 Publisher Beijingshi renmin fangkong zhihuibu (北京市人民防空指挥部) Size 53x76 cm. Call nr. BG E35/680 Collection IISH collection Theme People's air defense common knowledge posters (ca. 1971) After the Attack (1971) Tags China poster Chinese propaganda 1971 shelter pickaxe spade civil defense
