Carl gradually woke up from his faint. The first thing he saw was a cold iron fence. The surrounding walls were empty and smooth without any holes. He looked up at the ceiling, where a white light was illuminating the whole room. Carl was shocked. What was this place? Before he lost consciousness, he remembered clearly that he was in the garbage station in the trash mountain. When Carl was about to stand up, he heard a few sounds. He turned his head and found that he was kneeling on the ground with both his hands and feet tightly bound by thick iron chains. "What's going on?" Feeling strange, Carl finally could not help shouting. Even though Carl had never been here, he could tell by the surroundings and the iron chains on his arms and legs that it was a cell! Carl remembered that be