The Origin of Paper: The Story Behind China's Defeat That Changed World Wisdom Forever.

How did the paper we use today originate from "the fear of death" and "war"? Delve into Chinese history, from the secrets of Cai Lun to the Battle of Talas, a catalyst for world civilization. In this "The Origins" series, we take you back in time to explore the "birth of paper," one of China's Four Great Inventions, kept a top-secret national secret for over 600 years. It was used as a tool for governance and to create the renowned imperial examination system. But this secret was shattered by the defeat in the "Battle of Talas."