C629 I Think You Need Him(1)

"Why two explosive devices?" Little Zhang asked in confusion.

"One blew up the exit, the other blew up the exit. We have to seal this place up after we leave. It would be best if we don't let the world know of this place and let this underground world remain silent forever. " At this point, he glanced at the team doctor. "This will also protect Dr. Howard's reputation