An invitation to urban youth to go to the countryside. The peasant on the left resembles Chen Yonggui, leader of the agricultural model village Dazhai, the woman on the right an actress who was well-known at the time. She has a booklet in her pocket: Mao's Talks at the Yan'an Forum on Literature and Art (在延安文艺座谈会上的讲话).
Posters like this one, with Western subtitles, were shipped to Europe and the United States in large numbers and distributed by Maoist groups there. They were very popular among left-wing students.
This poster was originally published May 1970 by the Shanghai Publishing Revolution Group (上海市出版革命组), see BG E39/500.