what are some Imagery in chapter 2-3

Chapter two has dark imagery of people forced into rail cars like cattle. It is so crowded inside the cattle wagon that people have to take turns to sit down. They travel for two days, and the heat, crowding, and lack of food and drink is becoming unbearable. Social constraints become stripped away, and young people openly have sex, with everyone pretending not to notice.

In chapter three, the imagery at the camp is just as dark with the brutal conditions. At the barracks, veteran prisoners began to beat the new arrivals and told them to get undressed. The new prisoners threw their clothes into a huge pile. SS officers selected strong men who were taken to work in the crematories. The new arrivals were then taken to the barber, where all their body hair was shaved off. This is the imagery of transition of prisoners from people to animals.