"Then, we checked it through the instrument and found that it was solid. It felt very round, as if it was cut by a modern machine. In ancient times, there was no such technology. I don't know how it was made. This is the second suspicious point."
"Moreover, there are cracks on this ball. At first, I thought it was a rotten crack, but when I studied it, I realized that there were no signs of decay on this wood at all. That crack is the secret. It looks like it can be opened like a mortise, but I don't know how to open it. I can't find any switch. This is the last suspicious point."
At this point, Expert Chu stopped and looked at Ye Xuan expectantly. He seemed to have always wanted to solve this secret and figure out what was going on.
