Rep. Clay Higgins (R-La.) is facing criticism from officials at the Auschwitz-Birkenau Memorial and Museum Tuesday, after he filmed a video inside a former gas chamber in the Nazi concentration camp.

According to a report by The Associated Press, officials from the memorial said the video was disrespectful and that the sign in the building asks visitors to "maintain silence."

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Local Louisiana news outlets reported Higgins's video Saturday. In it, the lawmaker discusses how the gas chambers worked, using the site as an example of why the U.S. military "must be invincible."

Everyone has the right to personal reflections. However, inside a former gas chamber, there should be mournful silence. It's not a stage. https://t.co/AN5aA1bYEU — Auschwitz Memorial (@AuschwitzMuseum) July 4, 2017

This is what all visitors see at the entrance to the building where first homicidal gas chambers of Auschwitz was created by the SS. pic.twitter.com/6Mm5gTkfSl — Auschwitz Memorial (@AuschwitzMuseum) July 4, 2017

Higgins’s office was closed Tuesday for the Fourth of July holiday and did not respond to the AP's request for comment.