C2238 It's Not a Natural Disaster

"Not a natural disaster, but a man-made disaster?" Lu Shan's eyes instantly widened.

Because this matter had nothing to do with a man-made disaster, but since Chu Guofeng said so, he must have grasped some kind of evidence.

Chu Guofeng was also somewhat uncertain. However, after carefully looking at the overall appearance of the place where the poison gas spread, he fiercely gritted his teeth