Auschwitz is universally recognized as the ultimate symbol of evil the worlds largest death factory. It is estimated that approximately 1.1 million people were murdered there, of whom a million were Jews. From a single camp in 1940, Auschwitz was transformed into a massive complex, including 3 main camps and 40 sub-camps. The establishment of the Auschwitz complex was a project that lasted years, and was never completed. In the course of the planning phase, SS draftsmen prepared hundreds of drawings and plans of the construction sites and the various buildings. These included detailed drawings of the gas chambers and the crematoria.
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