The characters on the sacks of grain read "Prepare for struggle, prepare for famine, for the people" (Bei zhan, bei huang, wei renmin 备战、 备荒、 为人民), a slogan proposed by Mao Zedong in 1965. In the background is Fang Haizhen (方海珍), heroine of the model opera On the Docks (Haigang, 海港).