What is the Russian person associated with the image of distant and mysterious Persia-Iran? First of all, these are kings Cyrus and Darius, forever included in our memory from school. Sad fate A.S. Griboyedov, who died in Tehran during the diplomatic service, and in connection with this event - the Shah diamond, which has inherited a lot in world history. The famous Tehran conference with the participation of the three great powers and the construction of the Bushehr nuclear power plant by the Russians. And of course, the Persian cat, carpets and the famous Iranian henna, popular with Soviet women. In our book, we will touch the historical mysteries of old Persia, read several bright pages from its history and, who knows, maybe we will reveal another secret to humanity...