You can read a recent news article about “the evidence room” at http://www.nytimes.com/2016/06/15/arts/design/the-evidence-room-architects-examine-the-horrors-of-auschwitz.html?_r=0
The news article is about the alleged gas chamber in the main Auschwitz camp.

My photo of the gas chamber in the main Auschwitz camp
I wrote about this alleged gas chamber on my website at http://www.scrapbookpages.com/AuschwitzScrapbook/Tour/Auschwitz1/Auschwitz08.html
The following quote is from the news article:
Begin quote
The [evidence] room, based on Mr. [Jan] van Pelt’s nearly 600-page book “The Case for Auschwitz: Evidence From the Irving Trial” (2002), is one of the more unusual installations in a biennale dedicated to the ethical dimension of architecture, and one of the few featuring the work of a nondesigner. To give his research concrete form, Mr. van Pelt turned to Donald McKay, an architect and fellow professor at the architecture school of the University of Waterloo in Ontario. (The team also included Anne Bordeleau and Sascha Hastings.)
“I wanted it to have a kind of ideal quality, like we were inside the architect’s mind,” Mr. van Pelt said.
Entering the room, which uses four shades of white, feels like walking into a combination of an architectural model and a fossil-specimen hall. The walls are lined with plaster reliefs based on photographs, drawings, blueprints and other documents introduced during the trial to counter Mr. Irving’s claim that there were no gas chambers at Auschwitz.
End quote
There will soon be a law against “Holocaust denial” in the USA, so don’t go denying that the “gas chamber” in the main Auschwitz camp was a “gas chamber.” In fact, don’t use quote marks as I am doing right now.