In The Boy in the Striped Pajamas, how does John Boyne create tension in Chapter 9?

In The Boy in the Striped Pajamas, how does John Boyne create tension in Chapter 9?

In The Boy in the Striped Pajamas, how does John Boyne create tension in Chapter 9?
In The Boy in the Striped Pajamas, how does John Boyne create tension in Chapter 9?