When the prisoners finally reach their destination of GIeiwitz, what new danger arises? (Chapter 6)

When they finally arrive at Gleiwitz, they are crowded into barracks, and Eliezer feels like he is going to be suffocated by the mass of people lying on top of him. People are crushing each other to death because it is so crowded, and Eliezer suddenly finds himself on top of Juliek, a boy who played the violin in the band at Buna.