Su Hui asked, "Grandpa, why don't you announce this discovery to prove it?"

Liu Qigong replied, "Some things are not as simple as you think. There are actually many pieces of evidence like this, but these finds all belong to our country. Other countries will not officially admit them.

"Therefore, it's not appropriate for the government to spread rumors. Some of the contentions are held privately among the people."

Qin Haodong nodded and looked at the ...