After class, Professor Sun left with lecture notes.
The classroom was noisy.
The students are discussing the ancient civilizations of Different World and the inheritance of Vice President Fang.
Many people feel that their three views have been subverted, and many people remain skeptical because this matter is too incredible.
"If, as the professor said, there was once a splendid Kung Fu civilization on this continent of Different World, how could most of the remains be stone?"
"This question was mentioned by the professor just now, saying that it is because of time because according to the detection of carbon 14, these relics have less than tens of thousands of years, and even more than tens of thousands of years. Time can erode everything. "
"Then it is impossible to turn all metals into stone?"