改造海河锻炼自己 Gaizao haihe duanlian ziji Designer Deng Ke (邓柯) Date 1958, August Publisher Tianjin meishu chubanshe (天津美术出版社) Size 78x53 cm. Call nr. BG E15/826 Collection Landsberger collection Theme Great Leap Forward (1958-1961)