Parade on Renmin (People's) Avenue in the center of Shanghai, in front of the building of the Municipal People's Congress. The truck was produced Shanghai Automobile Transportation Company in 1972, according to the propaganda by a a three-in-one leadership group composed of workers, cadres and technicians, under the leadership of the Party Committee and the Revolutionary Committee of the company.
One of the banners in the crowd has a slogan against Lin Biao and Confucius.
The designers' names are not mentioned on this poster, but taken from a 1976 edition.