This guy came from a slave owner's family thousands of years ago. He has no big background, but he has learned a lot of knowledge and can talk about astronomy, geography, physics and biology. Then there was a great teacher named Plato, and the teacher's teacher was a better person named Socrates. Su, Bo and Ya were probably the best philosophers and scientists in ancient Greece.

No photos. At that time, China had not been unified by the Qin Dynasty. Where did you get a camera? But portraits and sculptures should be found.