Unless my memory proves me wrong, what I remember from “Night” is that babies were being thrown on a bonfire when Wiesel arrived at the concentration camp. I don’t remember which one it was - probably Auschwitz.
...the word had already come down from Himmler to not slow the pace of mass murder but to accelerate the pace of covering up the mass murders since they were losing the war at the time and knew war criminal nooses awaited them.