A family moves into a newly built apartment. One of the first things to do is hanging Chairman Mao's portrait in the living room.
The housing blocks seen through the window look very much like Caoyang New Village (曹杨), a model project with houses for (model) workers in Shanghai, built around 1952. See: https://everydaylifeinmaoistchina.org/2015/01/30/caoyang-new-village-near-shanghai-1952/