The slogan can still be seen at several sites, including over the entrance to Auschwitz I where the sign was erected by order of commandant Rudolf Höss.[8]The Auschwitz I sign was made by prisoner-labourers including master blacksmith Jan Liwacz, and features an upside-down B, which has been interpreted as an act of defiance by the prisoners who made it.[9][10] An example of ridiculing the falsity of the slogan was a popular saying used among Auschwitz prisoners: