The wooden barracks were located on the right (sector BII and BI) and on the left (sector BIII Mexico and Effektenlager Kanada II) of the internal arrival ramp in Birkenau. Firstly they could accommodate about fifty horses; then, after the opportune modifications they could even accommodate a thousand prisoners.
It is easy to understand what the conditions inside them could be like: the freezing cold and the oppressive heat alternated between winter and summer, and the poor deportees found themselves in a state of absolute abandonment.
It is possible to notice a fireplace and simple coal stoves in the center of this barrak, which theoretically were supposed to heat the inside..