C710 Wu Song's identity

Li Xue nodded, "Yes, just like last time." Then, he turned around and said, "Little Liu, Little Zhao, come with me and do a checklist."

"Yan Yechen, you stay here. Old Wu, Ming Shang, go to the old building." I said, after a pause.

"Old building? The previous one? Why go there? " Li Xue did not understand.

"There's a passage down below that leads directly to here