Birkenau Gas Chambers – Krematorium II

Birkenau Gas Chambers Underground

Birkenau Gas Chambers

This is the roof of the underground gas chambers of Krematorium II.

In the days of its use, the concrete was covered with grass turf. Inside, there were two gas chambers separated by an airtight door.

The back chamber, here in the foreground, was used for gassing people from smaller transports.

The low structure to the right is the area behind the five furnaces where the ventilations system and single chimney were.

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