植树绿化，维护生态平衡 Zhishu lühua, weihu shengtai pingheng Designer Zhou Ruizhuang (周瑞庄) Date 1983, March Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 77x53 cm. Call nr. BG E13/280 Collection Landsberger collection Theme Environment
