From Flickr: “We will surely bring the Hai River under permanent control” by chineseposters.net

Designer: Zan Zheng ?
1972, June
We will surely bring the Hai River under permanent control
Yiding yao genzhi haihe (一定要根治海河)
Call nr.: BG E12/740 (IISH collection)

More? See: chineseposters.net

via Flickr https://flic.kr/p/2cMtjsQ