After descending to the underground level, Julien discovered that this was indeed a miniature prison. There was a long corridor in front of him, and on either side of the corridor were rooms sealed off by reinforced concrete walls on iron railings.

Each room had no walls facing the corridor but iron railings that allowed you to see everything inside at a glance. Even the simple toilet inside had only a one-meter-high wall, and people's heads were exposed when using the toilet.

Even though it