![Prisoners during a roll call at the Buchenwald concentration camp. [LCID: 10105]](https://encyclopedia.ushmm.org/images/large/7a878b50-7f17-4ce7-861f-674ba3de22c2.jpg)
Prisioneros formados mientras pasan lista en el campo de concentración de Buchenwald. En sus uniformes llevan los parches triangulares que servían para clasificarlos y sus números de identificación. Buchenwald, Alemania, 1938-1941.
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![Forced labor in the quarry of the Mauthausen concentration camp. [LCID: 12352]](https://encyclopedia.ushmm.org/images/thumb/9f10cf51-0fc5-4667-8f97-1e02bd77fd35.jpg)