Before the night battle

夜战之前
Ye zhan zhiqian
Before the night battle
1975, August
Jilin renmin chubanshe (吉林人民出版社)
53x77 cm.
BG E18/39

Women cleaning a Dongfanghong (East-is-red) tractor. This could be a a picture of the land reclamation projects in the Northeast (Inner Mongolia), with 'night battle' referring to shift work.