Blood of Intelligence, Decrypting the World's Espionage Records

History has two parallel lines—— The bright line of the storm is the "big history" between countries on the bright side; the dark line is the gray line of grass and snakes, which is the "test of human nature" of the little people in the dark. These are a type of people that may never be recorded in official history. If necessary, reality will erase all traces of them. Bayu Laojiang, who specializes in modern history, will use his lens-like language to focus on the hidden threads of history, follow the fate of famous spies, and take us back to those thrilling hidden moments in history. Conspiracies and human struggles, their presence is everywhere in the famous historical events you know. There is no boring historical knowledge here, only exciting spy stories. You'll hear how the flapping of a butterfly's wings caused hurricanes that changed the world one after another.