The ground continued to shake, and the space here seemed to be on the verge of collapse. Just then, her phone rang.
The sound of Song Chen coughing came through, his voice filled with panic and anger. "Jingjing, it's bad! That damn Karl set up a trap here. If it weren't for the people he sent to save Dr. Xu's parents, this place would have exploded! The entire cave structure is unstable now, and this cave is about to collapse. You go up immediately, and I'll take Dr. Xu's parents out from another exit!"
"Go up immediately?" Shen Ruojing glanced at the large iron door that trapped her and Chu Cichen here, squinting her eyes as she asked, "Where is the other exit?"
