C734 The Big Secret!

"This is unbelievable... What exactly happened back then? Was it an earthquake?" Prof. Wang asked in shock.

"It might be, but we will only know what happened after we check it out ourselves." Hua Qianfan shook his head.

"Well, that's right. How about this? I'll go down and check it out. You guys wait on the top. Brother Hua, Xuelan, you guys have to protect Prof