C412 Pious white tiger

"Is this the method you were talking about?" chubby brother and Bayer stayed in their original positions. After all, their mission this time was a bit dangerous, so it would be easier for Wan Lixing to escape by himself.

"Every two hours, a hole will be opened in the top floor of this building to absorb the fresh air. At that time, you can follow this hole and enter this building