![Jews work on the construction of a wall around the Warsaw ghetto area. [LCID: 80754]](https://encyclopedia.ushmm.org/images/large/f8ffe083-b1c3-432f-860e-c0c674945792.jpg)
Forced laborers work on the construction of a wall around the Warsaw ghetto area. The Germans announced the construction of a ghetto in October 1940 and closed the ghetto off from the rest of Warsaw in mid-November 1940.
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