The story of the discovery of Herculaneum occurred by chance in 1700. Are there still populations that have never had contact with Western civilization? The real event of the wolf-child growing up in the woods of southern France dates back to the end of the eighteenth century. The story of the soldiers of the Imperial Japanese Army hiding in the jungle so as not to surrender to the Americans. We will go to Peru in search of a disappeared civilization: the people of the pyramids. What is returning illiteracy?