C693 The Underground River

After a few jokes, Cao Yuande said in a low voice, "We don't have a destination today, so we will set a range. Everyone will search within this range!"

Yang Bo was very surprised. "Didn't you already decipher it? Why are you still so aimless?"

"The clues from Japan are not very comprehensive. There is only a general guess," Cao Yuande said.

Yang Bo could not help but stare at Cao Yuande