C55 Saving a Life.

"Yang Xuan, I think I heard someone calling for help," Zhang Mengmeng patted Yang Xuan's shoulder and said.

Yang Xuan thought about something and walked step by step. Suddenly, he felt someone pat him on the shoulder. He turned his head in confusion and asked, "Mengmeng, what's wrong?"

"Yang Xuan, I heard someone calling for help. It seems to be nearby," Zhang Mengmeng said.

"I heard it