Review the panels that focus on Miloch and his family. Where are they living?

"They spun slowly at first, then faster and faster, until the force of their motion rocked the tower. My knees buckled, but I held on."

Explanation:

From The Boy Who Harnessed The Wind, William was done with his preparation and waited even though his arms were hurt.

He was in the mill as it began spinning slowly at first, then faster and faster even till the force rocked the tower, but he held on. This shows his courage