Hidden History of the World

There are always some secrets in the world that cannot be revealed! They are often just ordinary events in the eyes of ordinary people, but who knows that there are unknown secrets behind them! They can only be stamped with the words top secret and exist in a cold safe! They are not known to the world, and I only reveal a corner of them to the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.