After the Nationalist troops had left Beijing, PLA troops entered the city on 31 January 1949. It is not clear if this image represents a precise location.

The text in the top left corner: "Disciplinary Rules for Entering the City" (入城紀律守則).
On the red flag: "Northeast People's Liberation Army" (东北人民解放军).
The slogans on the city gate: "Attack Nanjing! Capture Chiang [Kai-shek] Alive!" (打到南京去 ! 活捉蒋介 [石]).