C370 The Sealed Cage

Zhang Yuhang followed the corridor and walked forward quickly. He walked very smoothly. He used his password and iris recognition to open all the security doors along the way. The entire District 6 was completely unobstructed for him.

However, the strange thing was that after walking for so long, he still didn't see anyone around him. However, Zhang Yuhang was not nervous at all. On the contrary